Vulnerability Name:

CCN-207579

Published:2021-08-16
Updated:2021-08-16
Summary:COMMAX UMS Client ActiveX Control is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the CNC_Ctrl.dll. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS v3 Severity:9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: XF
Type: UNKNOWN
commax-umsclient-bo(207579)

Source: CCN
Type: Packet Storm Security [08-16-2021]
COMMAX UMS Client ActiveX Control 1.7.0.2 Buffer Overflow

Source: CCN
Type: COMMAX Web site
COMMAX

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [08-27-2021]

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