CVE-2023-20178 (anyconnect_secure_mobility_client, secure_client)

A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows could allow a low-privileged, authenticated, local attacker to elevate privileges to those of SYSTEM. The client update process is executed after a successful VPN connection is established. This vulnerability exists because improper permissions are assigned to a temporary directory that is created during the update process. An attacker could exploit this vulnerability by abusing a specific function …

anyconnect cisco cisco anyconnect cisco anyconnect secure mobility cisco secure client cve local low mobility permissions privileged privileges process software system update vpn vulnerability windows