Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/52026?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/52026?format=api", "vulnerability_id": "VCID-mbkg-21kw-d3fe", "summary": "go.etcd.io/etcd Authentication Bypass\netcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.", "aliases": [ { "alias": "CVE-2018-16886" }, { "alias": "GHSA-h6xx-pmxh-3wgp" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/586105?format=api", "purl": "pkg:deb/debian/etcd@3.2.26%2Bdfsg-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/etcd@3.2.26%252Bdfsg-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582896?format=api", "purl": "pkg:deb/debian/etcd@3.3.25%2Bdfsg-6?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-7565-6bvk-mqgx" }, { "vulnerability": "VCID-my73-sc8s-3faj" }, { "vulnerability": "VCID-pb9m-ts3k-uban" }, { "vulnerability": "VCID-ud4m-y2s3-nban" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/etcd@3.3.25%252Bdfsg-6%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582897?format=api", "purl": "pkg:deb/debian/etcd@3.4.23-4?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-my73-sc8s-3faj" }, { "vulnerability": "VCID-pb9m-ts3k-uban" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/etcd@3.4.23-4%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582898?format=api", "purl": "pkg:deb/debian/etcd@3.5.16-4?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/etcd@3.5.16-4%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582899?format=api", "purl": "pkg:deb/debian/etcd@3.5.16-10?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/etcd@3.5.16-10%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/79886?format=api", "purl": "pkg:golang/go.etcd.io/etcd/v3@3.2.26", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:golang/go.etcd.io/etcd/v3@3.2.26" }, { "url": "http://public2.vulnerablecode.io/api/packages/79887?format=api", "purl": "pkg:golang/go.etcd.io/etcd/v3@3.3.11", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:golang/go.etcd.io/etcd/v3@3.3.11" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/106916?format=api", "purl": "pkg:rpm/redhat/etcd@3.2.26-1?arch=el7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-mbkg-21kw-d3fe" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/etcd@3.2.26-1%3Farch=el7" } ], "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2019:0237", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2019:0237" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2019:1352", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2019:1352" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16886.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16886.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-16886", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00486", "scoring_system": "epss", "scoring_elements": "0.65426", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00486", "scoring_system": "epss", "scoring_elements": "0.65405", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.7331", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73267", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73346", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73358", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73311", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73318", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73219", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73247", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73225", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73215", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73274", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73295", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73269", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00757", "scoring_system": "epss", "scoring_elements": "0.73256", "published_at": "2026-04-08T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-16886" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16886", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16886" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/etcd-io/etcd", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd" }, { "reference_url": "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.2.md#security-authentication", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.2.md#security-authentication" }, { "reference_url": "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.3.md#security-authentication", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.3.md#security-authentication" }, { "reference_url": "https://github.com/etcd-io/etcd/commit/0191509637546621d6f2e18e074e955ab8ef374d", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd/commit/0191509637546621d6f2e18e074e955ab8ef374d" }, { "reference_url": "https://github.com/etcd-io/etcd/commit/bf9d0d8291dc71ecbfb2690612954e1a298154b2", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd/commit/bf9d0d8291dc71ecbfb2690612954e1a298154b2" }, { "reference_url": "https://github.com/etcd-io/etcd/pull/10366", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/etcd-io/etcd/pull/10366" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16886", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.8", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:M/Au:N/C:P/I:P/A:P" }, { "value": "6.8", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N" }, { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16886" }, { "reference_url": "https://pkg.go.dev/vuln/GO-2021-0077", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://pkg.go.dev/vuln/GO-2021-0077" }, { "reference_url": "http://www.securityfocus.com/bid/106540", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.securityfocus.com/bid/106540" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1651034", "reference_id": "1651034", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1651034" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=923008", "reference_id": "923008", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=923008" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:etcd:etcd:*:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:etcd:etcd:*:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:etcd:etcd:*:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*" } ], "weaknesses": [ { "cwe_id": 285, "name": "Improper Authorization", "description": "The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action." }, { "cwe_id": 287, "name": "Improper Authentication", "description": "When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct." } ], "exploits": [], "severity_range_score": "6.8 - 8.9", "exploitability": "0.5", "weighted_severity": "8.0", "risk_score": 4.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mbkg-21kw-d3fe" }