Information disclosure in Jenkins and Jenkins LTS - CVE-2020-2103
Published: January 30, 2020
Vulnerability identifier: #VU24762
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-2103
CWE-ID: CWE-200
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 potentially sensitive information.
The vulnerability exists due to the affected software exposes session identifiers on a user's detail object in the "/whoAmI" diagnostic page. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2020-2103
Install updates from vendor's website.