CVE-2021-21605

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to override the global `config.xml` file.

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-2021	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

24 Oct 2022, 16:59

Type	Values Removed	Values Added
CWE	~~CWE-20~~	CWE-22

19 Jan 2021, 13:52

Type	Values Removed	Values Added
CPE		cpe:2.3:a:jenkins:jenkins:::::lts:::* cpe:2.3:a:jenkins:jenkins:::::-:::*
CWE		CWE-20
References	~~(CONFIRM) https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2021 -~~	(CONFIRM) https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2021 - Vendor Advisory
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-2021-21605

Mitre link : CVE-2021-21605

CVE.ORG link : CVE-2021-21605

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2021-21605", "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": "2021-01-13T16:15:13.600", "references": [{"url": "https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2021", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to override the global `config.xml` file."}, {"lang": "es", "value": "Jenkins versiones 2.274 y anteriores, LTS versiones 2.263.1 y anteriores, permite a usuarios con permiso Agent/Configure elegir nombres de agente que causa que Jenkins anule el archivo global \"config.xml\"."}], "lastModified": "2023-10-25T18:16:44.873", "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"}