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.
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History
Wed, 10 Dec 2025 21:45:00 +0000
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Commax
Commax ums Client Activex Control |
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Commax
Commax ums Client Activex Control |
Wed, 10 Dec 2025 16:30:00 +0000
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Wed, 10 Dec 2025 16:00:00 +0000
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Tue, 09 Dec 2025 22:15:00 +0000
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ssvc
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Tue, 09 Dec 2025 20:45:00 +0000
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| 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. | |
| Title | CNC_Ctrl DllUnregisterServer Access Violation | |
| Weaknesses | CWE-787 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2025-12-09T20:37:31.265Z
Updated: 2025-12-10T15:42:14.422Z
Reserved: 2025-12-05T19:10:29.045Z
Link: CVE-2021-47705
Updated: 2025-12-09T21:35:13.532Z
Status : Received
Published: 2025-12-09T21:15:49.350
Modified: 2025-12-10T16:16:21.047
Link: CVE-2021-47705
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