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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2021-47705

CNC_Ctrl DllUnregisterServer Access Violation

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

COMMAX Co., Ltd. COMMAX UMS Client ActiveX Control

Default version status: unaffected

  • 1.7.0.2affected

References