CVE-2021-22935 : What You Need to Know
Learn about CVE-2021-22935, a critical command injection vulnerability in Pulse Connect Secure versions before 9.1R12 that allows authenticated administrators to execute malicious commands.
A detailed overview of CVE-2021-22935, a vulnerability in Pulse Connect Secure that could lead to command injection via an unsanitized web parameter.
Understanding CVE-2021-22935
This section will cover the vulnerability, its impact, technical details, and mitigation steps.
What is CVE-2021-22935?
CVE-2021-22935 is a vulnerability in Pulse Connect Secure versions before 9.1R12 that enables an authenticated administrator to execute command injection through an unsanitized web parameter.
The Impact of CVE-2021-22935
The impact of this vulnerability is significant as it allows attackers to run arbitrary commands within the context of the application, potentially leading to unauthorized actions and data breaches.
Technical Details of CVE-2021-22935
In this section, we will delve into the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerable versions of Pulse Connect Secure, notably those before 9.1R12, allow authenticated administrators to execute commands through web parameters without proper sanitation.
Affected Systems and Versions
Pulse Connect Secure versions prior to 9.1R12 are affected by this command injection vulnerability.
Exploitation Mechanism
By exploiting the unsanitized web parameter, an authenticated attacker can inject malicious commands into the system, posing a severe security risk.
Mitigation and Prevention
This section will provide guidance on immediate steps to take, long-term security practices, and the importance of patching and updates.
Immediate Steps to Take
Administrators should promptly update affected systems to version 9.1R12 or later to mitigate the risk of command injection attacks.
Long-Term Security Practices
Implementing strict input validation mechanisms and conducting regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly updating Pulse Connect Secure to the latest version is crucial to patch known vulnerabilities and enhance the overall security posture of the system.