CVE-2023-27899

Description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier creates a temporary file in the default temporary directory with the default permissions for newly created files when uploading a plugin for installation, potentially allowing attackers with access to the Jenkins controller file system to read and write the file before it is used, potentially resulting in arbitrary code execution.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory jenkins.io
Affected: Jenkins Project Jenkins
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-27899?
CVE-2023-27899 has been scored as a high severity vulnerability.
How to fix CVE-2023-27899?
To fix CVE-2023-27899, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27899 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27899 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27899?
CVE-2023-27899 affects Jenkins Project Jenkins.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.