#VU57986 Improper Authorization in Jenkins and Jenkins LTS - CVE-2021-21693

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Main Vulnerability Database Vulnerabilities #VU57986

#VU57986 Improper Authorization in Jenkins and Jenkins LTS - CVE-2021-21693

Published: November 8, 2021


Vulnerability identifier: #VU57986
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21693
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Jenkins
Jenkins LTS
Software vendor:
Jenkins

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to permission to create files is only checked after they’ve been created. A remote attacker can compromise the target system.


Remediation

Install updates from vendor's website.

External links