CVE-2024-23898 Cross-site WebSocket hijacking vulnerability in the Jenkins CLI

What is CVE-2024-23898?

CVE-2024-23898 is a high-severity vulnerability in Jenkins Jenkins, published on 24 Jan 2024. 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

Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.

Weakness: CWE-346

Which versions are affected by CVE-2024-23898?

7 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core and jenkins. It affects 1 product.

Products include Jenkins Jenkins.

How do I fix CVE-2024-23898?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.426.3 or 2.442.

Is CVE-2024-23898 being exploited?

There is no known exploitation of CVE-2024-23898 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Jenkins Jenkins

• CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal Exploited Critical 9.8
• CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2017-1000353 Jenkins Remote Code Execution Exploited Critical 9.8
• CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure Exploited High 7.5
• CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins Critical 9.8

All Jenkins Jenkins vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-jenkins-2024-23898, GHSA-53ph-2r2x-vqw8.