Information disclosure in Support Core - CVE-2021-21621
Published: February 25, 2021
Vulnerability identifier: #VU50949
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21621
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Support Core
Support Core
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the affected plugin provides the serialized user authentication as part of the "About user (basic authentication details only)" information (user.md). A remote attacker can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2021-21621
Install updates from vendor's website.