Yachtcontrol - RCE (CVE-2019-17270)

CVE-2019-17270 is a critical vulnerability in Yachtcontrol webservers that allows unauthenticated attackers to execute operating system commands by leveraging insufficient input validation on a specific application endpoint.

CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2019-17270 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. CrowdSec network telemetry also shows that exploitation of CVE-2019-17270 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Exploitation attempts are centered on requests to URLs containing /pages/systemcall.php.