{"url":"http://public2.vulnerablecode.io/api/packages/71291?format=json","purl":"pkg:golang/k8s.io/kubernetes@1.21.0","type":"golang","namespace":"k8s.io","name":"kubernetes","version":"1.21.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.21.1","latest_non_vulnerable_version":"1.34.2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/36170?format=json","vulnerability_id":"VCID-jjnq-w1uh-dudy","summary":"Incomplete List of Disallowed Inputs in Kubernetes\nA security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25737.json","reference_id":"","reference_type":"","scores":[{"value":"2.7","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25737.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25737","reference_id":"","reference_type":"","scores":[{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59412","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59357","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59408","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59422","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59441","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59424","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59406","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59438","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59444","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59426","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59401","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59421","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59364","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59293","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59367","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59391","published_at":"2026-04-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25737"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25737","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25737"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"2.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/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/kubernetes/kubernetes","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes"},{"reference_url":"https://github.com/kubernetes/kubernetes/issues/102106","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes/issues/102106"},{"reference_url":"https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25737","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25737"},{"reference_url":"https://security.netapp.com/advisory/ntap-20211004-0004","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20211004-0004"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954917","reference_id":"1954917","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954917"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990793","reference_id":"990793","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990793"},{"reference_url":"https://security.archlinux.org/ASA-202106-29","reference_id":"ASA-202106-29","reference_type":"","scores":[],"url":"https://security.archlinux.org/ASA-202106-29"},{"reference_url":"https://security.archlinux.org/AVG-1970","reference_id":"AVG-1970","reference_type":"","scores":[{"value":"Low","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-1970"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:2437","reference_id":"RHSA-2021:2437","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:2437"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/74324?format=json","purl":"pkg:golang/k8s.io/kubernetes@1.21.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:golang/k8s.io/kubernetes@1.21.1"}],"aliases":["CVE-2021-25737","GHSA-mfv7-gq43-w965"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-jjnq-w1uh-dudy"}],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/30489?format=json","vulnerability_id":"VCID-w9b7-vajk-3kdq","summary":"Kube-proxy may unintentionally forward traffic\nKube-proxy on Windows can unintentionally forward traffic to local processes listening on the same port (`spec.ports[*].port`) as a LoadBalancer Service when the LoadBalancer controller does not set the `status.loadBalancer.ingress[].ip` field. Clusters \nwhere the LoadBalancer controller sets the `status.loadBalancer.ingress[].ip` field are unaffected.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25736.json","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25736.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25736","reference_id":"","reference_type":"","scores":[{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.2349","published_at":"2026-05-07T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23409","published_at":"2026-05-05T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23528","published_at":"2026-04-29T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23563","published_at":"2026-04-26T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23573","published_at":"2026-04-24T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23684","published_at":"2026-04-21T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23706","published_at":"2026-04-18T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23716","published_at":"2026-04-16T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23705","published_at":"2026-04-13T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23762","published_at":"2026-04-12T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23674","published_at":"2026-04-07T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23887","published_at":"2026-04-04T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23729","published_at":"2026-04-01T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23846","published_at":"2026-04-02T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23806","published_at":"2026-04-11T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23791","published_at":"2026-04-09T12:55:00Z"},{"value":"0.0008","scoring_system":"epss","scoring_elements":"0.23744","published_at":"2026-04-08T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25736"},{"reference_url":"https://github.com/kubernetes/kubernetes","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes"},{"reference_url":"https://github.com/kubernetes/kubernetes/commit/b014610de3e5cf1bb0f7844b5758d29fc18b75e6","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes/commit/b014610de3e5cf1bb0f7844b5758d29fc18b75e6"},{"reference_url":"https://github.com/kubernetes/kubernetes/pull/99958","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"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/2025-06-12T14:39:48Z/"}],"url":"https://github.com/kubernetes/kubernetes/pull/99958"},{"reference_url":"https://groups.google.com/g/kubernetes-security-announce/c/lIoOPObO51Q/m/O15LOazPAgAJ","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"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/2025-06-12T14:39:48Z/"}],"url":"https://groups.google.com/g/kubernetes-security-announce/c/lIoOPObO51Q/m/O15LOazPAgAJ"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25736","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25736"},{"reference_url":"https://security.netapp.com/advisory/ntap-20231221-0003","reference_id":"","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20231221-0003"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1946538","reference_id":"1946538","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1946538"},{"reference_url":"https://security.netapp.com/advisory/ntap-20231221-0003/","reference_id":"ntap-20231221-0003","reference_type":"","scores":[{"value":"5.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-12T14:39:48Z/"}],"url":"https://security.netapp.com/advisory/ntap-20231221-0003/"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:2130","reference_id":"RHSA-2021:2130","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:2130"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/71291?format=json","purl":"pkg:golang/k8s.io/kubernetes@1.21.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-jjnq-w1uh-dudy"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:golang/k8s.io/kubernetes@1.21.0"}],"aliases":["CVE-2021-25736","GHSA-35c7-w35f-xwgh"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-w9b7-vajk-3kdq"}],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:golang/k8s.io/kubernetes@1.21.0"}