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Maven

GHSA-vrrc-3wwh-frgx

MEDIUM

Missing Authorization in Jenkins Mercurial Plugin

Also known asCVE-2020-2306
Published
May 24, 2022
Updated
Feb 16, 2024
Affected
4 pkgs
Patched
4 / 4
Exploits
None indexed

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk60th percentile+0.99%
0.00%0.52%1.04%1.56%0.1%1.1%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

4 pkgs affected
org.jenkins-ci.plugins:mercurialorg.jenkins-ci.plugins:mercurialorg.jenkins-ci.plugins:mercurialorg.jenkins-ci.plugins:mercurial

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Mercurial Plugin prior to 2.12, 2.10.1, 2.9.1, and 2.8.1 does not perform a permission check in an HTTP endpoint.

This allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations.

Mercurial Plugin 2.12, 2.10.1, 2.9.1, and 2.8.1 performs permission checks when listing configured Mercurial installations.

Affected Packages

4 total 4 fixed
EcosystemPackageVulnerable rangeFix
Mavenorg.jenkins-ci.plugins:mercurial2.11&&< 2.122.12
Mavenorg.jenkins-ci.plugins:mercurial2.10&&< 2.10.12.10.1
Mavenorg.jenkins-ci.plugins:mercurial2.9&&< 2.9.12.9.1
Mavenorg.jenkins-ci.plugins:mercurialall versions2.8.1

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:mercurial. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update org.jenkins-ci.plugins:mercurial to 2.12 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vrrc-3wwh-frgx is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-vrrc-3wwh-frgx is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-vrrc-3wwh-frgx. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Mercurial Plugin prior to 2.12, 2.10.1, 2.9.1, and 2.8.1 does not perform a permission check in an HTTP endpoint. This allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations. Mercurial Plugin 2.12, 2.10.1, 2.9.1, and 2.8.1 performs permission checks when listing configured Mercurial installations.
O3 Security · Impact-Aware SCA

Is GHSA-vrrc-3wwh-frgx in your dependencies?

O3 detects GHSA-vrrc-3wwh-frgx across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

GHSA-vrrc-3wwh-frgx: Missing Authorization in Jenkins Mercurial… | O3 Security