VULNERABILITY INTELLIGENCE

CVE-2020-3433

CVSS score7.8 HIGH
EPSS probability10.05%
CISA KEVKnown exploited vulnerability
Published2020-08-17
Last modified2026-08-12
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

Vendor / product: Cisco / AnyConnect Secure

Description

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.

Weakness classification

  • CWE-427: Uncontrolled Search Path Element

Primary references