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. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2021-44529. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

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