Permissions, Privileges, and Access Controls in Jenkins and Jenkins LTS - CVE-2021-21609
Published: January 13, 2021 / Updated: January 14, 2021
Vulnerability identifier: #VU49531
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21609
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Jenkins
Jenkins LTS
Jenkins
Jenkins LTS
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to a missing permission check for paths with specific prefix. A remote attacker can access plugin-provided URLs.
How to mitigate CVE-2021-21609
Install updates from vendor's website.