CISA-confirmed known exploited vulnerability

CVE-2020-3153

Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Cisco · AnyConnect Secure

Vulnerability details

Cisco AnyConnect Secure Mobility Client for Windows allows for incorrect handling of directory paths. An attacker with valid credentials on Windows would be able to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks.

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

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