CVE-2020-2324 XXE vulnerability in Jenkins CVS Plugin

High 7.5 Published 3 Dec 2020 Updated 4 Aug 2024

An attacker can exploit XML external entity vulnerabilities in the Jenkins CVS Plugin to read sensitive files or cause denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2020-2324?

CVE-2020-2324 is a high-severity vulnerability in Jenkins CVS Plugin, published on 3 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins CVS Plugin 2.16 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Weakness: CWE-611

Which versions are affected by CVE-2020-2324?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:cvs. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:cvs` Maven	All versions	`2.17`
`org.jenkins-ci.plugins:cvs` Maven	All versions	`2.17`

Products include Jenkins Cvs.

How do I fix CVE-2020-2324?

Upgrade org.jenkins-ci.plugins:cvs to 2.17 or later.

Is CVE-2020-2324 being exploited?

There is no known exploitation of CVE-2020-2324 in the wild and no public exploit code.

CVE-2022-29037 Stored XSS in Jenkins CVS Plugin Medium 5.4

Sources

Also known as GHSA-g9hg-x9c9-7xgr.