Ivanti EPM - RCE (CVE-2021-44529)

CVE-2021-44529 is a critical code injection vulnerability affecting the Ivanti EPM Cloud Services Appliance. This flaw allows unauthenticated attackers to execute arbitrary code on the target system with limited permissions.

CrowdSec has been tracking this vulnerability and its exploits since 5th of March 2025.

CrowdSec network data shows that most actors exploiting CVE-2021-44529 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2021-44529 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2021-44529 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Exploitation attempts are typically directed at URLs containing /client/index.php.