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CVE-2021-43576

Date: November 12, 2021

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.

Language: Java

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2021-43576
https://github.com/jenkinsci/pom2config-plugin
http://www.openwall.com/lists/oss-security/2021/11/12/1
https://www.zerodayinitiative.com/advisories/ZDI-21-1314/
https://www.zerodayinitiative.com/advisories/ZDI-21-1314
https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2415
https://www.mend.io/vulnerability-database/CVE-2021-43576

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference

CWE-611

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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