CVE-2021-21687

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455", "name": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePath#untar."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-862"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-21687", "ASSIGNER": "jenkinsci-cert@googlegroups.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 4.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}}, "publishedDate": "2021-11-04T17:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.303.3"}, {"cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.319"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-11-08T16:47Z"}