Improper Authentication in Jenkins and Jenkins LTS - CVE-2021-21640
Published: April 8, 2021
Vulnerability identifier: #VU51994
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21640
CWE-ID: CWE-287
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 bypass authentication process.
The vulnerability exists due to the affected software does not properly check that a newly created view has an allowed name. A remote authenticated attacker can create views with invalid or already-used names.
How to mitigate CVE-2021-21640
Install updates from vendor's website.