CVE-2021-1237

High

Description

A vulnerability in the Network Access Manager and Web Security Agent components of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL injection 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 inserting a configuration file in a specific path in the system which, in turn, causes a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges.

SeverityHigh
CVSS7.8
Exploit probability—
ProductCisco Anyconnect Secure Mobility Client
PublishedJan 13, 2021
First seenJan 13, 2021
Weakness typeCWE-427CWE-427

How to fix

Update
  • cisco anyconnect_secure_mobility_client4.9.04043 or later

Affected products

ProductAffected versionsFixed in
cisco anyconnect_secure_mobility_clientv < 4.9.040434.9.04043

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