CVE-2020-3433Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1cisco (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.2 | HIGH | 2.0NVD | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Nov 14, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2020-3433
- Status
- Analyzed
- Assigner (CNA)
- cisco
- Published
- Aug 17, 2020
- Last modified
- 2026-08-12 05:17 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
CiscoCisco AnyConnect Secure Mobility Client0 version ranges
No version detail published.
References
- packetstormsecurity.com http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html
- tools.cisco.com https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dll-F26WwJW
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3433