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MEDIUM severity

CVE-2022-20614 — mailer

MEDIUMFix: jenkinsci/mailer-plugin@5e6051f

CVE-2022-20614 is a medium-severity (CVSS 4.3) CWE-862 vulnerability in org.jenkins-ci.plugins:mailer. A fix is available for org.jenkins-ci.plugins:mailer — see the affected versions and patch details below.

Incorrect Permission Assignment for Critical Resource in Jenkins Mailer Plugin

Also known asGHSA-558x-h7rg-997v
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk+0.04%
Lower risk than most CVEs67th percentile — riskier than 67% of all scored CVEsHighest risk
0.00%0.55%1.10%1.65%0.1%1.1%May 26Sep 26Nov 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

2 pkgs affected
☕org.jenkins-ci.plugins:mailer☕org.jenkins-ci.plugins:mailer

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 Mailer Plugin prior to 408.vd726a_1130320 and 1.34.2 does not perform a permission check in a method implementing form validation.

This allows attackers with Overall/Read access to use the DNS used by the Jenkins instance to resolve an attacker-specified hostname.

Additionally, this form validation method does not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.

Mailer Plugin 408.vd726a_1130320 and 1.34.2 requires POST requests and Overall/Administer permission for the affected form validation method.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:mailer≥ 391.ve4a38c1bcf4b&&< 408.vd726a408.vd726aorg.jenkins-ci.plugins:mailer:408.vd726a
☕Mavenorg.jenkins-ci.plugins:mailerall versions1.34.2org.jenkins-ci.plugins:mailer:1.34.2

Affected Products

2 products · 3 configurations
Application
mailerjenkins
< 1.34.2
1 version
391.ve4a_38c1b_cf4b_
Application
communications cloud native core automated test suiteoracle
1 version
1.9.0

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:mailer, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:mailer to 408.vd726a or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-20614 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Jenkins Mailer Plugin prior to 408.vd726a_1130320 and 1.34.2 does not perform a permission check in a method implementing form validation. This allows attackers with Overall/Read access to use the DNS used by the Jenkins instance to resolve an attacker-specified hostname. Additionally, this form validation method does not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability. Mailer Plugin 408.vd726a_1130320 and 1.34.2 requires POST requests and Overall/Administer permission for the affected form validation method.
O3 Security · Impact-Aware SCA

Is CVE-2022-20614 in your dependencies?

Find it across Maven, including transitive dependencies.

CVE-2022-20614: mailer CSRF — Fixed in 408.vd726a