SB2020092201 - Improper Certificate Validation in Jenkins Email Extension plugin
Published: September 22, 2020
Security Bulletin ID
SB2020092201
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2020-2253)
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to the affected plugin does not perform hostname validation when connecting to the configured SMTP server. A remote attacker can perform a MitM attack and intercept these connections.
Remediation
Install update from vendor's website.