SB2021090104 - Remote code execution in Jenkins Code Coverage API plugin
Published: September 1, 2021
Security Bulletin ID
SB2021090104
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2021-21677)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected plugin does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.