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
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-1237
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco AnyConnect Secure Mobility Client
How to mitigate CVE-2021-1237
Install updates from vendor's website.
Cisco AnyConnect Secure Mobility Client - update to 4.9.04043