CVE-2021-1428 : Security Advisory and Response
Learn about CVE-2021-1428 impacting Cisco AnyConnect Secure Mobility Client for Windows. Understand the vulnerabilities, impacts, and mitigation steps for enhanced security.
Cisco AnyConnect Secure Mobility Client for Windows is affected by multiple vulnerabilities in the install, uninstall, and upgrade processes that could allow a local attacker to hijack DLL or executable files. This could lead to the execution of arbitrary code on the affected device.
Understanding CVE-2021-1428
This CVE details vulnerabilities in Cisco AnyConnect Secure Mobility Client for Windows that could be exploited by an authenticated, local attacker to execute arbitrary code with SYSTEM privileges.
What is CVE-2021-1428?
The vulnerabilities in Cisco AnyConnect Secure Mobility Client for Windows allow an attacker with valid credentials to hijack DLL or executable files, potentially leading to arbitrary code execution with SYSTEM privileges.
The Impact of CVE-2021-1428
A successful exploit of this vulnerability could result in the attacker gaining control over affected devices and executing malicious code with elevated privileges.
Technical Details of CVE-2021-1428
This section provides more insight into the vulnerability, affected systems, and how the exploit can be carried out.
Vulnerability Description
The vulnerability allows an authenticated, local attacker to hijack DLL or executable files of Cisco AnyConnect Secure Mobility Client for Windows, enabling the execution of arbitrary code with SYSTEM privileges.
Affected Systems and Versions
Cisco AnyConnect Secure Mobility Client for Windows is affected by this vulnerability across all versions.
Exploitation Mechanism
To exploit CVE-2021-1428, the attacker must have valid credentials on the Windows system and can then hijack the necessary files to execute arbitrary code.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-1428, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Users are advised to update their Cisco AnyConnect Secure Mobility Client for Windows to the latest version provided by Cisco as soon as possible.
Long-Term Security Practices
Regularly update applications and systems, implement the principle of least privilege, and monitor for any unauthorized access or changes.
Patching and Updates
Stay informed about security advisories from Cisco and apply patches promptly to address known vulnerabilities.