CVE-2020-3433
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability
Cisco · AnyConnect Secure
Vulnerability details
Cisco AnyConnect Secure Mobility Client for Windows interprocess communication (IPC) channel allows for insufficient validation of resources that are loaded by the application at run time. An attacker with valid credentials on Windows could execute code on the affected machine with SYSTEM privileges.
Added to CISA KEV: 2022-10-24
Ransomware campaign use: Known
CISA due date: 2022-11-14
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC