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. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2018-17431 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2018-17431 is currently experiencing high visibility and active exploitation across the internet.

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