Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.5 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Exploitation Likelihood

EPSS Prediction

25.09 %

Predictive Probability

Percentile Rank

96.1 th

Documented as more likely to be exploited than 96.1% of known CVEs.

Detection Date

Oct 24, 2022

Remediation Due

Nov 14, 2022

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2020-3153