CVE-2018-0373: Cisco AnyConnect Secure Mobility Client

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious request to the application. A successful exploit could allow the attacker to cause a DoS condition on the affected system. Cisco Bug IDs: CSCvj47654.

Affected products

• Cisco AnyConnect Secure Mobility Client: version 4.5(58) only; version 4.5(1044) only; version 4.5(2033) only; version 4.5(2036) only; version 4.5(3040) only; version 4.5(4029) only; …

Published 2018-06-21. Last modified 2026-06-17.