Overview
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.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj; https://nvd.nist.gov/vuln/detail/CVE-2020-3153
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2020-3153 |
| Vendor / Product | Cisco — AnyConnect Secure |
| NVD Published | 2020-02-19 |
| NVD Last Modified | 2025-10-28 |
| CVSS 3.1 Score | 6.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N |
| Severity | MEDIUM |
| CWE | CWE-427 |
| CISA KEV Added | 2022-10-24 |
| CISA KEV Deadline | 2022-11-14 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2022-11-14.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-10-24 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-11-14 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2020-3153 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |