CVE-2021-43576

Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers with Overall/Read and Item/Read permissions to have Jenkins parse a crafted XML file that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2021/11/12/1	Mailing List Third Party Advisory
https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2415	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1314/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:jenkins:pom2config:*:*:*:*:*:jenkins:*:*

History

No history.

Information

Published : 2021-11-12 11:15

Updated : 2023-11-22 21:33

NVD link : CVE-2021-43576

Mitre link : CVE-2021-43576

CVE.ORG link : CVE-2021-43576

JSON object : View

Products Affected

jenkins

pom2config

CWE

CWE-611

Improper Restriction of XML External Entity Reference

{"id": "CVE-2021-43576", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-11-12T11:15:08.237", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/11/12/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "jenkinsci-cert@googlegroups.com"}, {"url": "https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2415", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1314/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers with Overall/Read and Item/Read permissions to have Jenkins parse a crafted XML file that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery."}, {"lang": "es", "value": "El plugin Jenkins pom2config versiones 1.2 y anteriores, no configura su analizador XML para prevenir ataques de entidad externa XML (XXE), permitiendo a atacantes con permisos Overall/Read y Item/Read hacer que Jenkins analice un archivo XML dise\u00f1ado que usa entidades externas para la extracci\u00f3n de secretos del controlador Jenkins o una vulnerabilidad de tipo server-side request forgeryr"}], "lastModified": "2023-11-22T21:33:01.017", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:pom2config:*:*:*:*:*:jenkins:*:*", "vulnerable": true, "matchCriteriaId": "1AED6EA0-FAD6-4767-9849-FD3DBA5BF61A", "versionEndIncluding": "1.2"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}