CVE-2021-21696

{"id": "CVE-2021-21696", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-11-04T17:15:08.873", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/11/04/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "jenkinsci-cert@googlegroups.com"}, {"url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2423", "tags": ["Mitigation", "Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not limit agent read/write access to the libs/ directory inside build directories when using the FilePath APIs, allowing attackers in control of agent processes to replace the code of a trusted library with a modified variant. This results in unsandboxed code execution in the Jenkins controller process."}, {"lang": "es", "value": "Jenkins versiones 2.318 y anteriores, LTS versiones 2.303.2 y anteriores, no limitan el acceso de lectura/escritura del agente al directorio libs/ dentro de los directorios de construcci\u00f3n cuando son utilizadas las APIs FilePath, permitiendo a atacantes que controlan los procesos del agente reemplazar el c\u00f3digo de una biblioteca confiable con una variante modificada. Esto resulta en una ejecuci\u00f3n de c\u00f3digo sin sandbox en el proceso del controlador de Jenkins"}], "lastModified": "2023-11-22T21:22:27.883", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "988C6F39-A7CD-4CF3-8E38-A0179F078528", "versionEndIncluding": "2.303.2"}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "F7399F73-979B-4229-A283-53BFB4C6A768", "versionEndIncluding": "2.318"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}