CVE-2020-3433

high Cisco ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
10.0%
Exploitation probability in 30 days
Top 5% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: August 17, 2020 (2211 days ago)
Last Modified: August 12, 2026
Vendor: Cisco
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2022-10-24
Remediation Due: 2022-11-14 (⚠ 1392d overdue)
Ransomware Campaign: Known

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.

CWE

CWE-427

Affected Products

cisco anyconnect secure mobility client

References