Comodo UTM Firewall - RCE (CVE-2018-17431)

CVE-2018-17431 is a critical vulnerability in the Comodo UTM Firewall web console that allows unauthenticated remote code execution via specially crafted URLs.

CrowdSec has been tracking this vulnerability and its exploits since 7th of April 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2018-17431 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2018-17431 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2018-17431 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Observed exploitation patterns are focused on URLs containing /manage/webshell/u.