CVE-2021-21684

{"containers": {"cna": {"affected": [{"product": "Jenkins Git Plugin", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "4.8.2", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"status": "unaffected", "version": "4.7.1.1"}, {"status": "unaffected", "version": "4.3.1"}]}], "descriptions": [{"lang": "en", "value": "Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability."}], "providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2023-10-24T15:51:54.864Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"}, {"name": "[oss-security] 20211006 Multiple vulnerabilities in Jenkins and Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "jenkinsci-cert@googlegroups.com", "ID": "CVE-2021-21684", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Jenkins Git Plugin", "version": {"version_data": [{"version_affected": "<=", "version_value": "4.8.2"}, {"version_affected": "!", "version_value": "4.7.1.1"}, {"version_affected": "!", "version_value": "4.3.1"}]}}]}, "vendor_name": "Jenkins project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499", "refsource": "CONFIRM", "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"}, {"name": "[oss-security] 20211006 Multiple vulnerabilities in Jenkins and Jenkins plugins", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:23:28.621Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"}, {"name": "[oss-security] 20211006 Multiple vulnerabilities in Jenkins and Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1"}]}]}, "cveMetadata": {"assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "assignerShortName": "jenkins", "cveId": "CVE-2021-21684", "datePublished": "2021-10-06T22:10:14.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-03T18:23:28.621Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Jenkins Git Plugin", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "4.8.2", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"status": "unaffected", "version": "4.7.1.1"}, {"status": "unaffected", "version": "4.3.1"}]}], "source": "jenkinsci-cert@googlegroups.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:git:*:*:*:*:*:jenkins:*:*", "matchCriteriaId": "0FF494B4-1102-4B55-8842-6D07058B3D2D", "versionEndIncluding": "4.8.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability."}, {"lang": "es", "value": "El plugin Git de Jenkins versiones 4.8.2 y anteriores, no escapa a los par\u00e1metros de suma de comprobaci\u00f3n Git SHA-1 proporcionados a las notificaciones de commit cuando se muestran en una causa de construcci\u00f3n, resultando en una vulnerabilidad de tipo cross-site scripting (XSS) almacenado"}], "id": "CVE-2021-21684", "lastModified": "2026-06-17T03:35:59.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-06T23:15:06.977", "references": [{"source": "jenkinsci-cert@googlegroups.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1"}, {"source": "jenkinsci-cert@googlegroups.com", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/10/06/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:0055", "cpe": "cpe:/a:redhat:openshift:4.10::el8", "package": "jenkins-2-plugins-0:4.10.1643404185-1.el8", "product_name": "Red Hat OpenShift Container Platform 4.10", "release_date": "2022-03-10T00:00:00Z"}], "bugzilla": {"description": "jenkins-2-plugins/git: stored XSS vulnerability", "id": "2011949", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2011949"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-79", "details": ["Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.", "A stored cross-site scripting (XSS) vulnerability was found in the Jenkins Git plugin. Due to not escaping the Git SHA-1 checksum parameters provided to commit notifications, an attacker is able to submit crafted commit notifications to the `/git/notifyCommit` endpoint."], "name": "CVE-2021-21684", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "jenkins", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "jenkins-2-plugins", "product_name": "Red Hat OpenShift Container Platform 3.11"}], "public_date": "2021-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21684\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21684\nhttps://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499"], "statement": "This vulnerability is only exploitable in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier [1]\n[1] https://www.jenkins.io/doc/upgrade-guide/2.303/#SECURITY-2452", "threat_severity": "Moderate"}

{}