CVE-2024-23897
Jenkins Project Jenkins, jenkins
Published 24 Jan 2024 · updated 17 Jun 2026 · Analyzed
9.8 Critical · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 19 Aug 2024, with a remediation deadline of 9 Sept 2024 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read arbitrary files on the Jenkins controller file system.
References
- packetstormsecurity.com/files/176839/Jenkins-2.441-LTS-2.426.3-CVE-2024-23897-Scanner.html · Third Party Advisory, VDB Entry
- packetstormsecurity.com/files/176840/Jenkins-2.441-LTS-2.426.3-Arbitrary-File-Read.html · Exploit, Third Party Advisory, VDB Entry
- www.openwall.com/lists/oss-security/2024/01/24/6 · Mailing List
- www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3314 · Vendor Advisory
- www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/ · Exploit, Press/Media Coverage
- www.vicarius.io/vsociety/posts/the-anatomy-of-a-jenkins-vulnerability-cve-2024-23897-revealed-1 · Exploit, Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-23897 · US Government Resource