{"affected":[{"affectedData":[{"product":"Jenkins Team Foundation Server Plugin","vendor":"Jenkins project","versions":[{"lessThanOrEqual":"5.157.1","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"unspecified","status":"unknown","version":"next of 5.157.1","versionType":"custom"}]}],"source":"jenkinsci-cert@googlegroups.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:jenkins:team_foundation_server:*:*:*:*:*:jenkins:*:*","matchCriteriaId":"62126186-5625-40DE-A7A4-0F5F0B7E0A91","versionEndIncluding":"5.157.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A cross-site request forgery (CSRF) vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins."},{"lang":"es","value":"Una vulnerabilidad de tipo cross-site request forgery (CSRF) en Jenkins Team Foundation Server Plugin versiones 5.157.1 y anteriores, permite a atacantes conectarse a una URL especificada por un atacante usando unos ID de credenciales especificados por el atacante obtenidas por medio de otro método, capturando credenciales almacenadas en Jenkins."}],"id":"CVE-2021-21638","lastModified":"2026-06-17T03:35:54.910","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-30T12:16:10.987","references":[{"source":"jenkinsci-cert@googlegroups.com","tags":["Mailing List","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/03/30/1"},{"source":"jenkinsci-cert@googlegroups.com","tags":["Vendor Advisory"],"url":"https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/03/30/1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29"}],"sourceIdentifier":"jenkinsci-cert@googlegroups.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-352"}],"source":"nvd@nist.gov","type":"Primary"}]}