CVE-2020-3153Actively exploitedAdded to KEV 2022-10-24Medium severity, CVSS 6.5Known ransomware campaign use

Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Cisco, AnyConnect Secure

Description

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.

CVSS severity

Medium (6.5/10)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Sourced from NVD, reflects how severe this vulnerability is if exploited, not whether it has been. Every advisory on this page is already a CISA-confirmed active exploitation case regardless of its CVSS score.

EPSS, exploit probability

High

28.3%

estimated chance of real-world exploitation in the next 30 days, higher than 98.1% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Public exploit references (via NVD)

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-11-14

CWE-427

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