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MEDIUM severity

Jenkins SiteMonitor Plugin globally and unconditionally disables SSL/TLS certificate validationGHSA-23c2-w636-5rhm

MEDIUM

GHSA-23c2-w636-5rhm is a medium-severity (CVSS 6.5) CWE-295 vulnerability in org.jvnet.hudson.plugins:sitemonitor. A fix is available for org.jvnet.hudson.plugins:sitemonitor — see the affected versions and patch details below.

Also known asCVE-2019-10317
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs74th percentile — riskier than 74% of all scored CVEsHighest risk
0.00%0.65%1.31%1.96%0.1%1.5%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jvnet.hudson.plugins:sitemonitor

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

Jenkins SiteMonitor Plugin unconditionally disables SSL/TLS certificate validation for the entire Jenkins controller JVM.

SiteMonitor Plugin no longer does that. Instead, it now has an opt-in option to ignore SSL/TLS errors for each site check individually.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jvnet.hudson.plugins:sitemonitorall versions0.6org.jvnet.hudson.plugins:sitemonitor:0.6

Affected Products

1 product · 1 configurations
Application
sitemonitorjenkins
≤ 0.5
range

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.jvnet.hudson.plugins:sitemonitor, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jvnet.hudson.plugins:sitemonitor to 0.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-23c2-w636-5rhm 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.

Frequently Asked Questions

Jenkins SiteMonitor Plugin unconditionally disables SSL/TLS certificate validation for the entire Jenkins controller JVM. SiteMonitor Plugin no longer does that. Instead, it now has an opt-in option to ignore SSL/TLS errors for each site check individually.
O3 Security · Impact-Aware SCA

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Jenkins SiteMonitor Plugin globally and unconditionally…