CVE-2023-43496
HIGHJenkins < 2.414.2 and < 2.424 - Incorrect Default Permissions in Plugin Installation
Title source: llmDescription
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.
References (2)
Core 2
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/09/20/5
Vendor Advisory vendor-advisory
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072
Scores
CVSS v3
8.8
EPSS
0.0025
EPSS Percentile
48.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-276
Status
published
Products (3)
jenkins/jenkins
< 2.414.2
jenkins/jenkins
< 2.424
org.jenkins-ci.main/jenkins-core
2.50 - 2.414.2Maven
Published
Sep 20, 2023
Tracked Since
Feb 18, 2026