CVE-2021-22937 : Vulnerability Insights and Analysis
Learn about CVE-2021-22937, a critical vulnerability in Pulse Connect Secure before 9.1R12 allowing authenticated administrators to perform file writes via malicious uploads in the web interface.
A detailed overview of CVE-2021-22937 focusing on the vulnerability in Pulse Connect Secure before version 9.1R12 that could allow an authenticated administrator to perform a file write via a maliciously crafted archive uploaded in the administrator web interface.
Understanding CVE-2021-22937
This section will delve into the specific details related to the CVE-2021-22937 vulnerability in Pulse Connect Secure.
What is CVE-2021-22937?
The vulnerability in Pulse Connect Secure before version 9.1R12 permits an authenticated administrator to achieve file write capabilities by uploading a maliciously crafted archive in the administrator web interface.
The Impact of CVE-2021-22937
The CVE-2021-22937 vulnerability can be exploited by attackers to gain unauthorized access and potentially manipulate critical files, posing a significant risk to the security and integrity of the system.
Technical Details of CVE-2021-22937
This section covers the technical aspects and specifics of CVE-2021-22937.
Vulnerability Description
The flaw in Pulse Connect Secure allows an authenticated administrator to conduct a file write operation through a specially designed archive uploaded via the administrator web interface.
Affected Systems and Versions
Pulse Connect Secure versions prior to 9.1R12 are affected by this vulnerability, highlighting the importance of updating to the latest secure version.
Exploitation Mechanism
By uploading a maliciously crafted archive, authenticated administrators can exploit this vulnerability to write files, potentially leading to unauthorized data modifications and system compromise.
Mitigation and Prevention
In this section, we discuss the steps to mitigate and prevent the exploitation of CVE-2021-22937.
Immediate Steps to Take
Administrators should immediately update Pulse Connect Secure to version 9.1R12 or later to mitigate the risk of file write attacks through the administrator web interface.
Long-Term Security Practices
Enhancing network security measures, implementing access controls, and monitoring file uploads can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying security patches and updates provided by Pulse Secure is essential to address known vulnerabilities and strengthen the overall security posture.