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 10th of March 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2021-44529 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. CrowdSec network telemetry also shows that exploitation of CVE-2021-44529 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 typically directed at URLs containing /client/index.php.