High severity8.8NVD Advisory· Published Sep 20, 2023· Updated Jun 17, 2026
CVE-2023-43496
CVE-2023-43496
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.main:jenkins-coreMaven | >= 2.50, < 2.414.2 | 2.414.2 |
org.jenkins-ci.main:jenkins-coreMaven | >= 2.415, < 2.424 | 2.424 |
Affected products
3- osv-coords2 versions
< 2.424.0+ 1 more
- (no CPE)range: < 2.424.0
- (no CPE)range: >= 2.50, < 2.414.2
- Range: 2.424
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2023/09/20/5nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-55wp-3pq4-w8p9ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-43496ghsaADVISORY
- www.jenkins.io/security/advisory/2023-09-20/nvdVendor AdvisoryWEB
- github.com/jenkinsci/jenkins/commit/df7c4ccda8976c06bf31b8fb9938f26fc38501caghsaWEB
News mentions
1- Jenkins Security Advisory 2023-09-20Jenkins Security Advisories · Sep 20, 2023