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flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations. Only deployments using the Open vSwitch driver are affected. Source: OpenStack project. Versions before openstack-neutron 15.3.3, openstack-neutron 16.3.1 and openstack-neutron 17.1.1 are affected.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-20267","reference_id":"","reference_type":"","scores":[{"value":"0.00126","scoring_system":"epss","scoring_elements":"0.31586","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-20267"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1934330","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1934330"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-136.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-136.yaml"},{"reference_url":"https://security.openstack.org/ossa/OSSA-2021-001.html","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.openstack.org/ossa/OSSA-2021-001.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985104","reference_id":"985104","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985104"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20267","reference_id":"CVE-2021-20267","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20267"},{"reference_url":"https://github.com/advisories/GHSA-w8hx-f868-pvch","reference_id":"GHSA-w8hx-f868-pvch","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-w8hx-f868-pvch"},{"reference_url":"https://usn.ubuntu.com/6067-1/","reference_id":"USN-6067-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6067-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/20912?format=json","purl":"pkg:pypi/neutron@15.3.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@15.3.3"},{"url":"http://public2.vulnerablecode.io/api/packages/20913?format=json","purl":"pkg:pypi/neutron@16.3.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.3.1"},{"url":"http://public2.vulnerablecode.io/api/packages/20914?format=json","purl":"pkg:pypi/neutron@17.1.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.1.1"}],"aliases":["CVE-2021-20267","GHSA-w8hx-f868-pvch","PYSEC-2021-136"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-euk9-aaqn-4qa8"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7692?format=json","vulnerability_id":"VCID-hb88-9kzm-ukbd","summary":"An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those security groups are present, because of an Open vSwitch (OVS) firewall KeyError. All Neutron deployments utilizing neutron-openvswitch-agent are affected.","references":[{"reference_url":"https://access.redhat.com/errata/RHSA-2019:0879","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2019:0879"},{"reference_url":"https://access.redhat.com/errata/RHSA-2019:0935","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2019:0935"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2019-10876","reference_id":"","reference_type":"","scores":[{"value":"0.00624","scoring_system":"epss","scoring_elements":"0.70496","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-10876"},{"reference_url":"https://bugs.launchpad.net/ossa/+bug/1813007","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugs.launchpad.net/ossa/+bug/1813007"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2019-189.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2019-189.yaml"},{"reference_url":"https://review.openstack.org/#/q/topic:bug/1813007","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://review.openstack.org/#/q/topic:bug/1813007"},{"reference_url":"https://security.openstack.org/ossa/OSSA-2019-002.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.openstack.org/ossa/OSSA-2019-002.html"},{"reference_url":"http://www.openwall.com/lists/oss-security/2019/04/09/2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2019/04/09/2"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926502","reference_id":"926502","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=926502"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10876","reference_id":"CVE-2019-10876","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0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issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-40085","reference_id":"","reference_type":"","scores":[{"value":"0.01348","scoring_system":"epss","scoring_elements":"0.80395","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-40085"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-361.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-361.yaml"},{"reference_url":"https://launchpad.net/bugs/1939733","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://launchpad.net/bugs/1939733"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html"},{"reference_url":"https://security.openstack.org/ossa/OSSA-2021-005.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.openstack.org/ossa/OSSA-2021-005.html"},{"reference_url":"https://www.debian.org/security/2021/dsa-4983","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.debian.org/security/2021/dsa-4983"},{"reference_url":"http://www.openwall.com/lists/oss-security/2021/08/31/2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2021/08/31/2"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993398","reference_id":"993398","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993398"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40085","reference_id":"CVE-2021-40085","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40085"},{"reference_url":"https://github.com/advisories/GHSA-fh73-gjvg-349c","reference_id":"GHSA-fh73-gjvg-349c","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-fh73-gjvg-349c"},{"reference_url":"https://usn.ubuntu.com/6067-1/","reference_id":"USN-6067-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6067-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/22209?format=json","purl":"pkg:pypi/neutron@16.4.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.4.1"},{"url":"http://public2.vulnerablecode.io/api/packages/22276?format=json","purl":"pkg:pypi/neutron@17.2.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.2.1"},{"url":"http://public2.vulnerablecode.io/api/packages/22277?format=json","purl":"pkg:pypi/neutron@18.1.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.1.1"}],"aliases":["CVE-2021-40085","GHSA-fh73-gjvg-349c","PYSEC-2021-361"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-j5k3-2tqh-gucf"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/8138?format=json","vulnerability_id":"VCID-kp6z-cahn-4fa2","summary":"OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the hardware addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-38598","reference_id":"","reference_type":"","scores":[{"value":"0.00138","scoring_system":"epss","scoring_elements":"0.33599","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-38598"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/openstack/neutron/commit/0a931391d8990f3e654b4bfda24ae4119c609bbf","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/0a931391d8990f3e654b4bfda24ae4119c609bbf"},{"reference_url":"https://github.com/openstack/neutron/commit/cc0d28a3e2ccfad6fc2ff24d78f009cbe3992575","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/cc0d28a3e2ccfad6fc2ff24d78f009cbe3992575"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-360.yaml","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-360.yaml"},{"reference_url":"https://launchpad.net/bugs/1938670","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://launchpad.net/bugs/1938670"},{"reference_url":"https://opendev.org/openstack/neutron/commit/fafa5dacd5057120562184a734e7345e7c0e9639","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://opendev.org/openstack/neutron/commit/fafa5dacd5057120562184a734e7345e7c0e9639"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38598","reference_id":"CVE-2021-38598","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"8.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38598"},{"reference_url":"https://github.com/advisories/GHSA-hvm4-mc7m-22w4","reference_id":"GHSA-hvm4-mc7m-22w4","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-hvm4-mc7m-22w4"},{"reference_url":"https://usn.ubuntu.com/6067-1/","reference_id":"USN-6067-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6067-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/22209?format=json","purl":"pkg:pypi/neutron@16.4.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.4.1"},{"url":"http://public2.vulnerablecode.io/api/packages/22210?format=json","purl":"pkg:pypi/neutron@17.1.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.1.3"},{"url":"http://public2.vulnerablecode.io/api/packages/22275?format=json","purl":"pkg:pypi/neutron@17.2.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.2.0"},{"url":"http://public2.vulnerablecode.io/api/packages/22211?format=json","purl":"pkg:pypi/neutron@18.1.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.1.0"}],"aliases":["CVE-2021-38598","GHSA-hvm4-mc7m-22w4","PYSEC-2021-360"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-kp6z-cahn-4fa2"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/17039?format=json","vulnerability_id":"VCID-m5h8-1zby-5fbv","summary":"openstack-neutron uncontrolled resource consumption flaw\nAn uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to submit a significant number of requests, this could lead to a denial of service.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-3277","reference_id":"","reference_type":"","scores":[{"value":"0.00402","scoring_system":"epss","scoring_elements":"0.61107","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-3277"},{"reference_url":"https://bugs.launchpad.net/neutron/+bug/1988026","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-07T15:54:44Z/"}],"url":"https://bugs.launchpad.net/neutron/+bug/1988026"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2129193","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-07T15:54:44Z/"}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2129193"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/openstack/neutron/commit/01fc2b9195f999df4d810df4ee63f77ecbc81f7e","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/01fc2b9195f999df4d810df4ee63f77ecbc81f7e"},{"reference_url":"https://github.com/openstack/neutron/commit/717e3e09556f1fb9a7a420863746fa785eb6c316","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/717e3e09556f1fb9a7a420863746fa785eb6c316"},{"reference_url":"https://github.com/openstack/neutron/commit/733ef4f2d8c2a3734c360d1c1dd3a6fcd600cb8c","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/733ef4f2d8c2a3734c360d1c1dd3a6fcd600cb8c"},{"reference_url":"https://github.com/openstack/neutron/commit/cbeee87fa44cd200d4997e02042098460167dce1","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/cbeee87fa44cd200d4997e02042098460167dce1"},{"reference_url":"https://github.com/openstack/neutron/commit/d0e1b54fb1de932b2b30ab4269cf5789632df476","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/d0e1b54fb1de932b2b30ab4269cf5789632df476"},{"reference_url":"https://github.com/openstack/neutron/commit/fd7fb0e9d8c602380f54975367d935ab69e10c05","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/fd7fb0e9d8c602380f54975367d935ab69e10c05"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1027150","reference_id":"1027150","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1027150"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3277","reference_id":"CVE-2022-3277","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3277"},{"reference_url":"https://github.com/advisories/GHSA-w446-h7vg-wv3p","reference_id":"GHSA-w446-h7vg-wv3p","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-w446-h7vg-wv3p"},{"reference_url":"https://usn.ubuntu.com/6067-1/","reference_id":"USN-6067-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6067-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/593233?format=json","purl":"pkg:pypi/neutron@21.0.0.0rc1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@21.0.0.0rc1"},{"url":"http://public2.vulnerablecode.io/api/packages/63063?format=json","purl":"pkg:pypi/neutron@18.6.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.6.0"},{"url":"http://public2.vulnerablecode.io/api/packages/63062?format=json","purl":"pkg:pypi/neutron@19.5.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@19.5.0"},{"url":"http://public2.vulnerablecode.io/api/packages/63064?format=json","purl":"pkg:pypi/neutron@20.3.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pbd8-ek42-gbd6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@20.3.0"}],"aliases":["CVE-2022-3277","GHSA-w446-h7vg-wv3p"],"risk_score":null,"exploitability":"0.5","weighted_severity":"0.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-m5h8-1zby-5fbv"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/16440?format=json","vulnerability_id":"VCID-mm7w-5zg5-9bfh","summary":"Improper Input Validation\nA Denial-of-Service flaw was found in the OpenStack Networking (neutron) L2 agent when using the iptables firewall driver. By submitting an address pair that is rejected as invalid by the ipset tool (with zero prefix size), an authenticated attacker can cause the L2 agent to crash.","references":[{"reference_url":"http://lists.openstack.org/pipermail/openstack-announce/2015-June/000377.html","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.openstack.org/pipermail/openstack-announce/2015-June/000377.html"},{"reference_url":"http://rhn.redhat.com/errata/RHSA-2015-1680.html","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://rhn.redhat.com/errata/RHSA-2015-1680.html"},{"reference_url":"https://access.redhat.com/errata/RHSA-2015:1680","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2015:1680"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2015-3221","reference_id":"","reference_type":"","scores":[{"value":"0.14311","scoring_system":"epss","scoring_elements":"0.94517","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2015-3221"},{"reference_url":"https://bugs.launchpad.net/neutron/+bug/1461054","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugs.launchpad.net/neutron/+bug/1461054"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1232284","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1232284"},{"reference_url":"https://git.openstack.org/cgit/openstack/neutron/commit/?id=9ff6138c47c95034ba845e9448ddffd147b51f38","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://git.openstack.org/cgit/openstack/neutron/commit/?id=9ff6138c47c95034ba845e9448ddffd147b51f38"},{"reference_url":"https://opendev.org/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://opendev.org/openstack/neutron"},{"reference_url":"https://web.archive.org/web/20200228084753/http://www.securityfocus.com/bid/75368","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://web.archive.org/web/20200228084753/http://www.securityfocus.com/bid/75368"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=789713","reference_id":"789713","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=789713"},{"reference_url":"https://access.redhat.com/security/cve/CVE-2015-3221","reference_id":"CVE-2015-3221","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/security/cve/CVE-2015-3221"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3221","reference_id":"CVE-2015-3221","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3221"},{"reference_url":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/37360.txt","reference_id":"CVE-2015-5066;CVE-2015-3221;OSVDB-123599","reference_type":"exploit","scores":[],"url":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/37360.txt"},{"reference_url":"https://github.com/advisories/GHSA-wf44-4mgj-rwvx","reference_id":"GHSA-wf44-4mgj-rwvx","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-wf44-4mgj-rwvx"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/62065?format=json","purl":"pkg:pypi/neutron@2014.2.4","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@2014.2.4"},{"url":"http://public2.vulnerablecode.io/api/packages/62066?format=json","purl":"pkg:pypi/neutron@2015.1.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@2015.1.1"}],"aliases":["CVE-2015-3221","GHSA-wf44-4mgj-rwvx"],"risk_score":0.1,"exploitability":"0.5","weighted_severity":"0.1","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-mm7w-5zg5-9bfh"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/18134?format=json","vulnerability_id":"VCID-pbd8-ek42-gbd6","summary":"Uncontrolled Resource Consumption\nAn uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to submit a significant number of requests, this could lead to a denial of service.","references":[{"reference_url":"https://access.redhat.com/errata/RHSA-2023:4283","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T18:48:25Z/"}],"url":"https://access.redhat.com/errata/RHSA-2023:4283"},{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3637.json","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3637.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-3637","reference_id":"","reference_type":"","scores":[{"value":"0.0018","scoring_system":"epss","scoring_elements":"0.39327","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-3637"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2222270","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T18:48:25Z/"}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2222270"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:16.1","reference_id":"cpe:/a:redhat:openstack:16.1","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:16.1"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:16.2::el8","reference_id":"cpe:/a:redhat:openstack:16.2::el8","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:16.2::el8"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:17.0","reference_id":"cpe:/a:redhat:openstack:17.0","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:17.0"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:17.1","reference_id":"cpe:/a:redhat:openstack:17.1","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:17.1"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:18.0","reference_id":"cpe:/a:redhat:openstack:18.0","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack:18.0"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack-optools:13","reference_id":"cpe:/a:redhat:openstack-optools:13","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openstack-optools:13"},{"reference_url":"https://access.redhat.com/security/cve/CVE-2023-3637","reference_id":"CVE-2023-3637","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T18:48:25Z/"}],"url":"https://access.redhat.com/security/cve/CVE-2023-3637"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3637","reference_id":"CVE-2023-3637","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3637"},{"reference_url":"https://github.com/advisories/GHSA-r3jh-qhgj-gvr8","reference_id":"GHSA-r3jh-qhgj-gvr8","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-r3jh-qhgj-gvr8"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/614952?format=json","purl":"pkg:pypi/neutron@23.0.0.0b1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@23.0.0.0b1"}],"aliases":["CVE-2023-3637","GHSA-r3jh-qhgj-gvr8"],"risk_score":1.9,"exploitability":"0.5","weighted_severity":"3.9","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-pbd8-ek42-gbd6"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7613?format=json","vulnerability_id":"VCID-qck9-yfb2-33cr","summary":"Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete. This is possible due to the Open vSwitch integration bridge being connected to the instance during migration. When connected to the integration bridge, all traffic for instances using the same Open vSwitch instance would potentially be visible to the migrated guest, as the required Open vSwitch VLAN filters are only applied post-migration. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3, 11.0.5 are vulnerable.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14636","reference_id":"","reference_type":"","scores":[{"value":"0.00203","scoring_system":"epss","scoring_elements":"0.4228","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14636"},{"reference_url":"https://bugs.launchpad.net/neutron/+bug/1734320","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugs.launchpad.net/neutron/+bug/1734320"},{"reference_url":"https://bugs.launchpad.net/neutron/+bug/1767422","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugs.launchpad.net/neutron/+bug/1767422"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14636","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14636"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2018-94.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2018-94.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14636","reference_id":"CVE-2018-14636","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.0","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14636"},{"reference_url":"https://github.com/advisories/GHSA-8q95-jj7p-x93x","reference_id":"GHSA-8q95-jj7p-x93x","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-8q95-jj7p-x93x"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/10746?format=json","purl":"pkg:pypi/neutron@12.0.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-65a6-ab9m-jbgg"},{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-euk9-aaqn-4qa8"},{"vulnerability":"VCID-hb88-9kzm-ukbd"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-uc6z-26g1-wuej"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@12.0.3"},{"url":"http://public2.vulnerablecode.io/api/packages/20871?format=json","purl":"pkg:pypi/neutron@13.0.0.0b2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-euk9-aaqn-4qa8"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@13.0.0.0b2"}],"aliases":["CVE-2018-14636","GHSA-8q95-jj7p-x93x","PYSEC-2018-94"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-qck9-yfb2-33cr"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7612?format=json","vulnerability_id":"VCID-uc6z-26g1-wuej","summary":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","references":[{"reference_url":"https://access.redhat.com/errata/RHSA-2018:2710","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2018:2710"},{"reference_url":"https://access.redhat.com/errata/RHSA-2018:2715","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2018:2715"},{"reference_url":"https://access.redhat.com/errata/RHSA-2018:2721","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2018:2721"},{"reference_url":"https://access.redhat.com/errata/RHSA-2018:3792","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2018:3792"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14635","reference_id":"","reference_type":"","scores":[{"value":"0.00306","scoring_system":"epss","scoring_elements":"0.54109","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14635"},{"reference_url":"https://bugs.launchpad.net/neutron/+bug/1757482","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugs.launchpad.net/neutron/+bug/1757482"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/openstack/neutron/commit/54aa6e81cb17b33ce4d5d469cc11dec2869c762d","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/54aa6e81cb17b33ce4d5d469cc11dec2869c762d"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2018-93.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2018-93.yaml"},{"reference_url":"https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14635","reference_id":"CVE-2018-14635","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14635"},{"reference_url":"https://github.com/advisories/GHSA-x634-34m9-96mp","reference_id":"GHSA-x634-34m9-96mp","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-x634-34m9-96mp"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/10748?format=json","purl":"pkg:pypi/neutron@12.0.4","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-65a6-ab9m-jbgg"},{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-euk9-aaqn-4qa8"},{"vulnerability":"VCID-hb88-9kzm-ukbd"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@12.0.4"},{"url":"http://public2.vulnerablecode.io/api/packages/20871?format=json","purl":"pkg:pypi/neutron@13.0.0.0b2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-gwq1-w3hc"},{"vulnerability":"VCID-euk9-aaqn-4qa8"},{"vulnerability":"VCID-j5k3-2tqh-gucf"},{"vulnerability":"VCID-kp6z-cahn-4fa2"},{"vulnerability":"VCID-m5h8-1zby-5fbv"},{"vulnerability":"VCID-mm7w-5zg5-9bfh"},{"vulnerability":"VCID-pbd8-ek42-gbd6"},{"vulnerability":"VCID-x5uf-31ga-huch"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@13.0.0.0b2"}],"aliases":["CVE-2018-14635","GHSA-x634-34m9-96mp","PYSEC-2018-93"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-uc6z-26g1-wuej"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/8150?format=json","vulnerability_id":"VCID-x5uf-31ga-huch","summary":"An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-40797","reference_id":"","reference_type":"","scores":[{"value":"0.00694","scoring_system":"epss","scoring_elements":"0.72211","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-40797"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/openstack/neutron","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron"},{"reference_url":"https://github.com/openstack/neutron/commit/e610a5eb9e71aa2549fb11e2139370d227787da2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/openstack/neutron/commit/e610a5eb9e71aa2549fb11e2139370d227787da2"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-329.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-329.yaml"},{"reference_url":"https://launchpad.net/bugs/1942179","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://launchpad.net/bugs/1942179"},{"reference_url":"https://security.openstack.org/ossa/OSSA-2021-006.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.openstack.org/ossa/OSSA-2021-006.html"},{"reference_url":"http://www.openwall.com/lists/oss-security/2021/09/09/2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2021/09/09/2"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994202","reference_id":"994202","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994202"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40797","reference_id":"CVE-2021-40797","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40797"},{"reference_url":"https://github.com/advisories/GHSA-cpx3-696p-3cw9","reference_id":"GHSA-cpx3-696p-3cw9","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-cpx3-696p-3cw9"},{"reference_url":"https://usn.ubuntu.com/6067-1/","reference_id":"USN-6067-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6067-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/22209?format=json","purl":"pkg:pypi/neutron@16.4.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-b2b2-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