Zoho ManageEngine - XXE (CVE-2020-10189)

CVE-2020-10189 is a critical remote code execution vulnerability in Zoho ManageEngine Desktop Central, stemming from unsafe deserialization in certain servlet components.

CrowdSec has been tracking this vulnerability and its exploits since 9th of May 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2020-10189 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. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2020-10189. 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.

Detected exploitation attempts often involve access to URLs containing /mdm/client/v1/mdmloguploader, with specific patterns in the request parameters.