Security Advisory

CVE-2021-47705

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-12-09 20:37:31
Last updated 2026-04-07 14:05:33
Assigner VulnCheck
CVSS score 8.7
State PUBLISHED

Description

COMMAX UMS Client ActiveX Control 1.7.0.2 contains a heap-based buffer overflow vulnerability that allows attackers to execute arbitrary code by providing excessively long string arrays through multiple functions. Attackers can exploit improper boundary validation in CNC_Ctrl.dll to cause heap corruption and potentially gain system-level access.