CVE-2022-20612 Cross-Site Request Forgery in Jenkins

Medium 4.3 Published Updated

Attackers can trigger unauthorized job builds in Jenkins when no security realm is configured, bypassing access controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-20612?

CVE-2022-20612 is a medium-severity vulnerability in Jenkins Jenkins, published on 12 Jan 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site request forgery (CSRF) vulnerability in Jenkins 2.329 and earlier, LTS 2.319.1 and earlier allows attackers to trigger build of job without parameters when no security realm is set.

Weakness: CWE-352

Which versions are affected by CVE-2022-20612?

5 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core and jenkins. It affects 2 products.

PackageAffectedFixed in
org.jenkins-ci.main:jenkins-core MavenAll versions2.319.2
org.jenkins-ci.main:jenkins-core MavenAll versions2.319.2
org.jenkins-ci.main:jenkins-core MavenFrom 2.3202.330
org.jenkins-ci.main:jenkins-core MavenFrom 2.3202.330
jenkins BitnamiAll versions2.329.1

Products include Jenkins Jenkins, Oracle Communications Cloud Native Core Automated Test Suite.

How do I fix CVE-2022-20612?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.319.2 or 2.330.

Is CVE-2022-20612 being exploited?

There is no known exploitation of CVE-2022-20612 in the wild and no public exploit code.

All Jenkins Jenkins vulnerabilities

Sources

Also known as BIT-jenkins-2022-20612, GHSA-p92q-7fhh-mq35.

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