CVE-2021-21604

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

CVSS v3 8.0 HIGH
CVSS v2.0 6.0 MEDIUM

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:jenkins:jenkins:::::lts:::*
	cpe:2.3:a:jenkins:jenkins:::::-:::*

History

15 Jan 2021, 19:08

Type	Values Removed	Values Added
References	~~(CONFIRM) https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923 -~~	(CONFIRM) https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923 - Vendor Advisory
CWE		CWE-502
CPE		cpe:2.3:a:jenkins:jenkins:::::-:::* cpe:2.3:a:jenkins:jenkins:::::lts:::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.0 v3 : 8.0

13 Jan 2021, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-01-13 16:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-21604

Mitre link : CVE-2021-21604

CVE.ORG link : CVE-2021-21604

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-502

Deserialization of Untrusted Data

{"id": "CVE-2021-21604", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "published": "2021-01-13T16:15:13.523", "references": [{"url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator."}, {"lang": "es", "value": "Jenkins versiones 2.274 y anteriores, LTS versiones 2.263.1 y anteriores, permite a atacantes con permiso para crear o configurar varios objetos para inyectar contenido dise\u00f1ado en Old Data Monitor que resulta en la instanciaci\u00f3n de objetos potencialmente no seguros una vez que son descartados por un administrador."}], "lastModified": "2023-10-25T18:16:44.763", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "1D0A8DA2-6151-430D-9FC2-1332E25B4E3B", "versionEndIncluding": "2.263.1"}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "9A6F1AB1-BFB3-448F-BDAC-2A3487CBFEB6", "versionEndIncluding": "2.274"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}