CVE-2021-1496: 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-2021-1496?
CVE-2021-1496 is rated as a high severity vulnerability affecting Cisco AnyConnect Secure Mobility Client for Windows.
How do I fix CVE-2021-1496?
To fix CVE-2021-1496, update Cisco AnyConnect Secure Mobility Client to version 4.9.03022 or later.
What types of attacks can exploit CVE-2021-1496?
CVE-2021-1496 can be exploited by an authenticated, local attacker to hijack DLL or executable files used by the application.
Who is affected by CVE-2021-1496?
Users of Cisco AnyConnect Secure Mobility Client for Windows versions prior to 4.9.03022 are affected by CVE-2021-1496.
When was CVE-2021-1496 published?
CVE-2021-1496 was published in March 2021.