CVE-2021-1426: 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-2021-1426?
CVE-2021-1426 has been assigned a high severity rating due to its potential to allow local attackers to hijack critical files.
How do I fix CVE-2021-1426?
To address CVE-2021-1426, update Cisco AnyConnect Secure Mobility Client to version 4.9.06037 or later.
Who is affected by CVE-2021-1426?
CVE-2021-1426 affects users of Cisco AnyConnect Secure Mobility Client for Windows versions prior to 4.9.06037.
What kind of attack can exploit CVE-2021-1426?
CVE-2021-1426 can be exploited by authenticated, local attackers to hijack DLL or executable files used by the application.
What are the potential consequences of CVE-2021-1426?
Exploitation of CVE-2021-1426 could allow attackers to execute malicious code on the target system.