CVE-2021-47705
CNC_Ctrl DllUnregisterServer Access Violation
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.
CVSS 4.0 · 8.7 High
EPSS < 1%
KEV · Not listed
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