{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/11320?format=json","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=json","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=json","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=json","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=json","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=json","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=json","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":"0.44622","published_at":"2026-05-12T12:55:00Z"},{"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":"0.44755","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.44762","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.44685","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.4457","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.44641","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.44655","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00222","scoring_system":"epss","scoring_elements":"0.44593","published_at":"2026-05-11T12:55:00Z"},{"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"},{"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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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"}