Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/11320?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11320?format=api", "vulnerability_id": "VCID-4m6t-zty2-b3d6", "summary": "Improper Encoding or Escaping of Output\nJenkins accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.", "aliases": [ { "alias": "CVE-2021-21682" }, { "alias": "GHSA-6q4g-84f3-mw74" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/41247?format=api", "purl": "pkg:maven/org.jenkins-ci.main/jenkins-core@2.303.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-53km-desw-w7d6" }, { "vulnerability": "VCID-7w87-bm8n-bbbr" }, { "vulnerability": "VCID-b4zg-38x9-23dn" }, { "vulnerability": "VCID-fvza-3rhj-8kbp" }, { "vulnerability": "VCID-h3nf-gwsr-5qf3" }, { "vulnerability": "VCID-kf3a-yce1-auh4" }, { "vulnerability": "VCID-remx-jas5-1bfm" }, { "vulnerability": "VCID-zgtd-8mf6-ruc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.jenkins-ci.main/jenkins-core@2.303.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/82059?format=api", "purl": "pkg:maven/org.jenkins-ci.main/jenkins-core@2.315", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.jenkins-ci.main/jenkins-core@2.315" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/373432?format=api", "purl": "pkg:alpm/archlinux/jenkins@2.314-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3bxq-vmjj-kqfe" }, { "vulnerability": "VCID-4m6t-zty2-b3d6" }, { "vulnerability": "VCID-tdb7-6gx7-1ucr" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/jenkins@2.314-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/40604?format=api", "purl": "pkg:maven/org.jenkins-ci.main/jenkins-core@2.303.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4m6t-zty2-b3d6" }, { "vulnerability": "VCID-tdb7-6gx7-1ucr" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.jenkins-ci.main/jenkins-core@2.303.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/143888?format=api", "purl": "pkg:maven/org.jenkins-ci.main/jenkins-core@2.304", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1kf2-8j67-7kg3" }, { "vulnerability": "VCID-4m6t-zty2-b3d6" }, { "vulnerability": "VCID-53km-desw-w7d6" }, { "vulnerability": "VCID-7w87-bm8n-bbbr" }, { "vulnerability": "VCID-b4zg-38x9-23dn" }, { "vulnerability": "VCID-fvza-3rhj-8kbp" }, { "vulnerability": "VCID-h3nf-gwsr-5qf3" }, { "vulnerability": "VCID-kf3a-yce1-auh4" }, { "vulnerability": "VCID-nq1x-s9hz-a7fb" }, { "vulnerability": "VCID-r3ry-745m-zuh1" }, { "vulnerability": "VCID-r3v1-qkky-dqcq" }, { "vulnerability": "VCID-remx-jas5-1bfm" }, { "vulnerability": "VCID-tdb7-6gx7-1ucr" }, { "vulnerability": "VCID-wuvf-kdtu-tkc2" }, { "vulnerability": "VCID-zgtd-8mf6-ruc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.jenkins-ci.main/jenkins-core@2.304" }, { "url": "http://public2.vulnerablecode.io/api/packages/40606?format=api", "purl": "pkg:maven/org.jenkins-ci.main/jenkins-core@2.314", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4m6t-zty2-b3d6" }, { "vulnerability": "VCID-tdb7-6gx7-1ucr" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.jenkins-ci.main/jenkins-core@2.314" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-21682", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44755", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44879", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.4482", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44872", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44874", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44891", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44859", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44861", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44913", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44907", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44842", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44777", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00222", "scoring_system": "epss", "scoring_elements": "0.44857", "published_at": "2026-04-02T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-21682" }, { "reference_url": "https://github.com/jenkinsci/jenkins/commit/c2c2b59071265aea07f88d5e95297c0a433921c3", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/jenkinsci/jenkins/commit/c2c2b59071265aea07f88d5e95297c0a433921c3" }, { "reference_url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2021/10/06/1", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1" }, { "reference_url": "https://security.archlinux.org/AVG-2449", "reference_id": "AVG-2449", "reference_type": "", "scores": [ { "value": "Medium", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2449" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21682", "reference_id": "CVE-2021-21682", "reference_type": "", "scores": [ { "value": "6.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21682" }, { "reference_url": "https://github.com/advisories/GHSA-6q4g-84f3-mw74", "reference_id": "GHSA-6q4g-84f3-mw74", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6q4g-84f3-mw74" } ], "weaknesses": [ { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 42, "name": "Path Equivalence: 'filename.' (Trailing Dot)", "description": "The product accepts path input in the form of trailing dot ('filedir.') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files." } ], "exploits": [], "severity_range_score": "4.0 - 6.9", "exploitability": "0.5", "weighted_severity": "6.2", "risk_score": 3.1, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4m6t-zty2-b3d6" }