Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2020-3433

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Main Vulnerability Database Vulnerabilities #VU34081

Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2020-3433

Published: August 6, 2020 / Updated: October 24, 2022


Vulnerability identifier: #VU34081
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2020-3433
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Cisco Systems, Inc
Affected software:
Cisco AnyConnect Secure Mobility Client

Detailed vulnerability description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner in the interprocess communication (IPC) channel. A local user can send a specially crafted IPC message to the AnyConnect process and execute arbitrary code on victim's system.


How to mitigate CVE-2020-3433

Install updates from vendor's website.

Sources