Home/CVE/Jenkins Mercurial Plugin 2.11 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks
CVE

CVE-2020-2305

Jenkins Mercurial Plugin 2.11 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks

Jenkins Mercurial Plugin 2.11 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

MEDIUM · CVSS 6.5 EPSS 0.00503
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
jenkins mercurial<= 2.11
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jenkins-ci.plugins:mercurial MODERATE fixed in 2.12
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · jenkinsci-cert@googlegroups.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Nov 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

4
rhsaRHSA-2021:0637Important
rhsaRHSA-2021:0038Moderate
rhsaRHSA-2021:0282Important
rhsaRHSA-2021:0034Important
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2115Vendor Advisory
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