Vulnerability in Jenkins
CVE-2023-43496
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001
Affected products
- Jenkins
- Jenkins Project — versions 2.424, 2.414.2
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2023-09-20/ (vendor-advisory, Vendor Advisory)
- www.openwall.com/lists/oss-security/2023/09/20/5 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-43496?
- CVE-2023-43496 is a high-severity vulnerability in Jenkins, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2023-09-20.
- How severe is CVE-2023-43496?
- High severity. CVSS v3 base score is 8.8 out of 10.