CVE-2021-21646

{"containers": {"cna": {"affected": [{"product": "Jenkins Templating Engine Plugin", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM."}], "providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2023-10-24T15:51:10.543Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}, {"name": "[oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "jenkinsci-cert@googlegroups.com", "ID": "CVE-2021-21646", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Jenkins Templating Engine Plugin", "version": {"version_data": [{"version_affected": "<=", "version_value": "2.1"}]}}]}, "vendor_name": "Jenkins project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-693: Protection Mechanism Failure"}]}]}, "references": {"reference_data": [{"name": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311", "refsource": "CONFIRM", "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}, {"name": "[oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:16:23.698Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}, {"name": "[oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"}]}]}, "cveMetadata": {"assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "assignerShortName": "jenkins", "cveId": "CVE-2021-21646", "datePublished": "2021-04-21T14:20:35.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-03T18:16:23.698Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Jenkins Templating Engine Plugin", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "jenkinsci-cert@googlegroups.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:templating_engine:*:*:*:*:*:jenkins:*:*", "matchCriteriaId": "CC9BAF16-0AB9-4DFF-AA8F-3023CFE5195A", "versionEndIncluding": "2.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM."}, {"lang": "es", "value": "Jenkins Templating Engine Plugin versiones 2.1 y anteriores, no protegen sus configuraciones de canalizaci\u00f3n usando Script Security Plugin, permitiendo a atacantes con permiso Trabajo y Configurar ejecutar c\u00f3digo arbitrario en el contexto de la JVM del controlador Jenkins"}], "id": "CVE-2021-21646", "lastModified": "2026-06-17T03:35:55.720", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-21T15:15:08.440", "references": [{"source": "jenkinsci-cert@googlegroups.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"}, {"source": "jenkinsci-cert@googlegroups.com", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/21/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Modified"}

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