All vulnerabilities

Servers and applications

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.

Severity
High 8.8
Published
20 Sept 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.414.2, 2.424
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version before 2.414.2
  • Every version before 2.424

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-43496
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-43496