Cisco Security Advisory - Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

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Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW

     
         
Security Impact Rating:  High
   
   
       
CVE: CVE-2020-3433
Source: Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability