CVE-2021-1427: Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities
Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system. For more information about these vulnerabilities, see the Details section of this advisory.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-1427?
The severity of CVE-2021-1427 is rated as high due to the potential for local attackers to execute arbitrary code.
How do I fix CVE-2021-1427?
To fix CVE-2021-1427, update the Cisco AnyConnect Secure Mobility Client to the latest version that addresses this vulnerability.
What types of attacks are possible with CVE-2021-1427?
CVE-2021-1427 can allow authenticated local attackers to hijack DLL or executable files used by the Cisco AnyConnect application.
Which software versions are affected by CVE-2021-1427?
CVE-2021-1427 affects Cisco AnyConnect Secure Mobility Client versions prior to 4.9.06037 on Windows.
Is remote access required to exploit CVE-2021-1427?
No, CVE-2021-1427 requires local access by an authenticated user to exploit the vulnerability.