XML external entity injection in Jenkins Mercurial Plugin
Priority LOW 32CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-611 and the CVSS impact.
Summary
Jenkins Mercurial Plugin 2.11 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Why it matters now
EPSS 0.01494 74th percentileScored 2026-11-07
Fix Fixed Jenkins Mercurial Plugin (Jenkins project): 2.10.1, 2.9.1, 2.8.1org.jenkins-ci.plugins:mercurial (Maven): 2.12, 2.10.1, 2.9.1 +1Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins Mercurial Plugin | up to 2.11 | 2.10.1, 2.9.1, 2.8.1 | Patch available | CNA |
| — | org.jenkins-ci.plugins:mercurial (Maven) | 2.11 to before 2.12 | 2.12 | Patch available | GHSA-x58r-wxc3-7pqr |
| — | org.jenkins-ci.plugins:mercurial (Maven) | 2.10 to before 2.10.1 | 2.10.1 | Patch available | GHSA-x58r-wxc3-7pqr |
| — | org.jenkins-ci.plugins:mercurial (Maven) | 2.9 to before 2.9.1 | 2.9.1 | Patch available | GHSA-x58r-wxc3-7pqr |
| — | org.jenkins-ci.plugins:mercurial (Maven) | before 2.8.1 | 2.8.1 | Patch available | GHSA-x58r-wxc3-7pqr |
- Jenkins Mercurial Plugin VendorJenkins Affected up to 2.11 Fixed in 2.10.1, 2.9.1, 2.8.1 Patch available CNA
- org.jenkins-ci.plugins:mercurial (Maven) Vendor— Affected 2.11 to before 2.12 Fixed in 2.12 Patch available GHSA-x58r-wxc3-7pqr
- org.jenkins-ci.plugins:mercurial (Maven) Vendor— Affected 2.10 to before 2.10.1 Fixed in 2.10.1 Patch available GHSA-x58r-wxc3-7pqr
- org.jenkins-ci.plugins:mercurial (Maven) Vendor— Affected 2.9 to before 2.9.1 Fixed in 2.9.1 Patch available GHSA-x58r-wxc3-7pqr
- org.jenkins-ci.plugins:mercurial (Maven) Vendor— Affected before 2.8.1 Fixed in 2.8.1 Patch available GHSA-x58r-wxc3-7pqr
Remediation
- Fix · CNA Jenkins Mercurial Plugin (Jenkins project) Fixed in 2.10.1, 2.9.1, 2.8.1
- Fix · GHSA-x58r-wxc3-7pqr org.jenkins-ci.plugins:mercurial (Maven) Fixed in 2.12 Advisory →
- Fix · GHSA-x58r-wxc3-7pqr org.jenkins-ci.plugins:mercurial (Maven) Fixed in 2.10.1 Advisory →
- Fix · GHSA-x58r-wxc3-7pqr org.jenkins-ci.plugins:mercurial (Maven) Fixed in 2.9.1 Advisory →
- Fix · GHSA-x58r-wxc3-7pqr org.jenkins-ci.plugins:mercurial (Maven) Fixed in 2.8.1 Advisory →
Red Hat 4 advisories
- RHSA-2021:0637 Released 2021-03-03 · Red Hat rating ImportantOpenShift Container Platform 3.11.394 bug fix and security update
- Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins-3.11.1612862361-1.el7, jenkins-2.263.3.1612433584-1.el7, python-rsa-4.5-3.el7 +1
- RHSA-2021:0282 Released 2021-02-03 · Red Hat rating ImportantOpenShift Container Platform 4.4.33 packages and security update
- Red Hat OpenShift Container Platform 4.4 jenkins-2-plugins-4.4.1611203637-1.el7
- RHSA-2021:0034 Released 2021-01-20 · Red Hat rating ImportantOpenShift Container Platform 4.5.27 packages and security update
- Red Hat OpenShift Container Platform 4.5 jenkins-2-plugins-4.5.1610108899-1.el7, python-urllib3-1.26.2-1.el7, python2-urllib3-1.26.2-1.el7
Show 1 more Red Hat advisories
- RHSA-2021:0038 Released 2021-01-18 · Red Hat rating ImportantOpenShift Container Platform 4.6.12 packages and security update
- Red Hat OpenShift Container Platform 4.6 cri-o-1.19.1-2.rhaos4.6.git2af9ecf.el8, jenkins-2-plugins-4.6.1608634578-1.el7, jenkins-2-plugins-4.6.1609853716-1.el8 +8
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | Fixed | RHSA-2021:0637 |
| Red Hat OpenShift Container Platform 4.4 | Fixed | RHSA-2021:0282 |
| Red Hat OpenShift Container Platform 4.5 | Fixed | RHSA-2021:0034 |
| Red Hat OpenShift Container Platform 4.6 | Fixed | RHSA-2021:0038 |
Not affected: 4 products
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4.4
- Red Hat OpenShift Container Platform 4.5
- Red Hat OpenShift Container Platform 4.6
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2305
- 2026-10-03 Alias added: GHSA-x58r-wxc3-7pqr
References
Advisory 2
More Jenkins Mercurial vulnerabilities
- TI-2022-13004 Path traversal in Jenkins Mercurial Plugin CVSS 3.1HIGH 7.5
- TI-2022-21205 Information disclosure in Jenkins Mercurial Plugin CVSS 3.1MEDIUM 5.3
- TI-2018-15765 An improper authorization vulnerability exists in Jenkins Mercurial Plugin version 2.2… CVSS 3.0MEDIUM 5.3
- TI-2020-02183 Missing authorization in Jenkins Mercurial Plugin CVSS 3.1MEDIUM 4.3
Sources
- CVE-2020-2305 · CVE Program
- CVE-2020-2305 · NVD
- FIRST EPSS
- GHSA-x58r-wxc3-7pqr · GitHub Advisory Database · CC BY 4.0
- CVE-2020-2305 · Red Hat security data · CC BY 4.0
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