CVE-2023-27903

MEDIUM

Jenkins < 2.375.4, 2.376-2.387.1, < 2.394 - Unauthenticated Sensitive File Exposure via CLI File Parameter Upload

Title source: llm
STIX 2.1

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 file parameter through the CLI, potentially allowing attackers with access to the Jenkins controller file system to read and write the file before it is used.

References (1)

Core 1
Core References

Scores

CVSS v3 4.4
EPSS 0.0007
EPSS Percentile 20.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (3)
jenkins/jenkins < 2.375.4
jenkins/jenkins < 2.394
org.jenkins-ci.main/jenkins-core 2.376 - 2.387.1Maven
Published Mar 10, 2023
Tracked Since Feb 18, 2026