#VU48149 Input validation error in Cisco AnyConnect Secure Mobility Client - CVE-2020-3556

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Main Vulnerability Database Vulnerabilities #VU48149

#VU48149 Input validation error in Cisco AnyConnect Secure Mobility Client - CVE-2020-3556

Published: November 5, 2020


Vulnerability identifier: #VU48149
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-3556
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a lack of authentication to the interprocess communication (IPC) channel listener. A local user can send specially crafted IPC messages to the AnyConnect client IPC listener and cause the targeted AnyConnect user to execute a script.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links