Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2021-1366

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Main Vulnerability Database Vulnerabilities #VU50785

Insecure DLL loading in Cisco AnyConnect Secure Mobility Client - CVE-2021-1366

Published: February 17, 2021 / Updated: February 18, 2021


Vulnerability identifier: #VU50785
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:U/U:Clear
CVE-ID: CVE-2021-1366
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco AnyConnect Secure Mobility Client

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can send a crafted IPC message to the AnyConnect process execute arbitrary code on the affected machine with SYSTEM privileges.


How to mitigate CVE-2021-1366

Install updates from vendor's website.

Sources