CVE-2021-21639

{"containers": {"cna": {"affected": [{"product": "Jenkins", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.286", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "LTS 2.277.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."}], "providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2023-10-24T15:51:02.485Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"}, {"name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "jenkinsci-cert@googlegroups.com", "ID": "CVE-2021-21639", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Jenkins", "version": {"version_data": [{"version_affected": "<=", "version_value": "2.286"}, {"version_affected": "<=", "version_value": "LTS 2.277.1"}]}}]}, "vendor_name": "Jenkins project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721", "refsource": "CONFIRM", "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"}, {"name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:16:23.927Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"}, {"name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"}]}]}, "cveMetadata": {"assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "assignerShortName": "jenkins", "cveId": "CVE-2021-21639", "datePublished": "2021-04-07T13:50:13.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-03T18:16:23.927Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Jenkins", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.286", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "LTS 2.277.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "jenkinsci-cert@googlegroups.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "matchCriteriaId": "A6C9D710-02B7-4F94-BACA-70D67286F99B", "versionEndIncluding": "2.277.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "matchCriteriaId": "11CD124B-104D-48B7-A184-97EFC77893AA", "versionEndIncluding": "2.286", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."}, {"lang": "es", "value": "Jenkins versiones 2.286 y anteriores, LTS versiones 2.277.1 y anteriores, no comprueba el tipo de objeto dise\u00f1ado despu\u00e9s de cargar los datos enviados al endpoint de la API REST \"config.xml\" de un nodo, permitiendo a atacantes con permiso Computer/Configure reemplazar un nodo con uno de un tipo diferente"}], "id": "CVE-2021-21639", "lastModified": "2026-06-17T03:35:55.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-07T14:15:16.890", "references": [{"source": "jenkinsci-cert@googlegroups.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"}, {"source": "jenkinsci-cert@googlegroups.com", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Modified"}

{"affected_release": [{"advisory": "RHSA-2021:1551", "cpe": "cpe:/a:redhat:openshift:4.7::el8", "package": "jenkins-0:2.277.3.1620393611-1.el8", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2021-05-19T00:00:00Z"}, {"advisory": "RHSA-2021:2437", "cpe": "cpe:/a:redhat:openshift:4.8::el8", "package": "jenkins-0:2.289.1.1624020353-1.el8", "product_name": "Red Hat OpenShift Container Platform 4.8", "release_date": "2021-07-27T00:00:00Z"}], "bugzilla": {"description": "jenkins: lack of type validation in agent related REST API", "id": "1947102", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1947102"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N", "status": "verified"}, "cwe": "CWE-20", "details": ["Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.", "A flaw was found in Jenkins. Due to lack of validation of type of object created after loading the data submitted to the config.xml REST API endpoint of a node, an attackers with Computer/Configure permission are able to replace a node with one of a different type."], "name": "CVE-2021-21639", "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": "Fix deferred", "package_name": "jenkins", "product_name": "Red Hat OpenShift Container Platform 3.11"}], "public_date": "2021-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21639\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21639"], "threat_severity": "Low"}

{}