Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2021-1237

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Main Vulnerability Database Vulnerabilities #VU49533

Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2021-1237

Published: January 13, 2021 / Updated: January 14, 2021


Vulnerability identifier: #VU49533
CSH Severity: Low
CVSSv4.0: 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:U/U:Clear
CVE-ID: CVE-2021-1237
CWE-ID: CWE-427
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 compromise vulnerable system.

The vulnerability exists due to insufficient validation of resources that are loaded by the application at run time in the Network Access Manager and Web Security Agent components. A local user can place a specially crafted .dll file and execute arbitrary code on victim's system.


Remediation

Install updates from vendor's website.

External links