CVE-2023-27904 Information disclosure through error stack traces related to agents

What is CVE-2023-27904?

CVE-2023-27904 is a medium-severity vulnerability in Jenkins Jenkins, published on 8 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier prints an error stack trace on agent-related pages when agent connections are broken, potentially revealing information about Jenkins configuration that is otherwise inaccessible to attackers.

Which versions are affected by CVE-2023-27904?

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-2023-27904?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.375.4, 2.387.1 or 2.394.

Is CVE-2023-27904 being exploited?

There is no known exploitation of CVE-2023-27904 in the wild and no public exploit code.

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-2023-27904, GHSA-rrgp-c2w8-6vg6.