{"containers": {"cna": {"affected": [{"product": "Jenkins", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.274", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "LTS 2.263.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability."}], "providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2023-10-24T15:50:21.116Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "jenkinsci-cert@googlegroups.com", "ID": "CVE-2021-21603", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Jenkins", "version": {"version_data": [{"version_affected": "<=", "version_value": "2.274"}, {"version_affected": "<=", "version_value": "LTS 2.263.1"}]}}]}, "vendor_name": "Jenkins project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a 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/2021-01-13/#SECURITY-1889", "refsource": "CONFIRM", "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:16:23.442Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889"}]}]}, "cveMetadata": {"assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "assignerShortName": "jenkins", "cveId": "CVE-2021-21603", "datePublished": "2021-01-13T15:55:27.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-03T18:16:23.442Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Jenkins", "vendor": "Jenkins project", "versions": [{"lessThanOrEqual": "2.274", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "LTS 2.263.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "jenkinsci-cert@googlegroups.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "matchCriteriaId": "1D0A8DA2-6151-430D-9FC2-1332E25B4E3B", "versionEndIncluding": "2.263.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "matchCriteriaId": "9A6F1AB1-BFB3-448F-BDAC-2A3487CBFEB6", "versionEndIncluding": "2.274", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability."}, {"lang": "es", "value": "Jenkins versiones 2.274 y anteriores, LTS versiones 2.263.1 y anteriores, no escapan el contenido de respuesta de la barra de notificaciones, resultando en una vulnerabilidad de tipo cross-site scripting (XSS)."}], "id": "CVE-2021-21603", "lastModified": "2026-06-17T03:35:51.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "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": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-13T16:15:13.460", "references": [{"source": "jenkinsci-cert@googlegroups.com", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:0637", "cpe": "cpe:/a:redhat:openshift:3.11::el7", "package": "jenkins-0:2.263.3.1612433584-1.el7", "product_name": "Red Hat OpenShift Container Platform 3.11", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "conmon-2:2.0.21-1.rhaos4.5.el7", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "jenkins-0:2.263.3.1612434332-1.el7", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "machine-config-daemon-0:4.5.0-202102050524.p0.git.2594.ff3b8c0.el8", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "openshift-0:4.5.0-202102050524.p0.git.0.9229406.el7", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "openshift-ansible-0:4.5.0-202102031005.p0.git.0.c6839a2.el7", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "openshift-clients-0:4.5.0-202102051529.p0.git.3612.61b096a.el8", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0429", "cpe": "cpe:/a:redhat:openshift:4.5::el7", "package": "runc-0:1.0.0-72.rhaos4.5.giteadfc6b.el8", "product_name": "Red Hat OpenShift Container Platform 4.5", "release_date": "2021-03-03T00:00:00Z"}, {"advisory": "RHSA-2021:0423", "cpe": "cpe:/a:redhat:openshift:4.6::el8", "package": "jenkins-0:2.263.3.1612434510-1.el8", "product_name": "Red Hat OpenShift Container Platform 4.6", "release_date": "2021-02-17T00:00:00Z"}], "bugzilla": {"description": "jenkins: XSS vulnerability in notification bar", "id": "1925160", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1925160"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-79", "details": ["Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.", "A flaw was found in jenkins. A cross-site scripting (XSS) vulnerability is possible due to the contents of the notification bar responses not being properly escaped. The highest threat from this vulnerability is to data confidentiality and integrity."], "name": "CVE-2021-21603", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "jenkins", "product_name": "Red Hat Fuse 7"}], "public_date": "2021-01-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21603\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21603"], "threat_severity": "Important"}

{}