SB2021022525 - Information disclosure in Jenkins Support Core plugin
Published: February 25, 2021
Security Bulletin ID
SB2021022525
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-21621)
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.
Remediation
Install update from vendor's website.