CVE-2021-22893 : Security Advisory and Response
Discover the impact of CVE-2021-22893 on Pulse Connect Secure, an authentication bypass vulnerability leading to remote code execution. Learn about mitigation and prevention measures.
Pulse Connect Secure 9.0R3/9.1R1 and higher versions are susceptible to an authentication bypass vulnerability that enables unauthenticated users to execute remote arbitrary code on the gateway. This CVE has been exploited in the wild.
Understanding CVE-2021-22893
This section will provide insights into the nature and implications of the CVE.
What is CVE-2021-22893?
Pulse Connect Secure versions 9.0R3/9.1R1 and above contain a critical vulnerability that allows unauthorized users to execute code remotely on the Pulse Connect Secure gateway.
The Impact of CVE-2021-22893
The vulnerability poses a severe risk as threat actors can exploit it for remote arbitrary code execution on the affected devices, compromising their security.
Technical Details of CVE-2021-22893
Explore the technical aspects of the CVE to understand how it affects systems and what can be done to mitigate it.
Vulnerability Description
The vulnerability arises due to an authentication bypass issue in the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure, enabling unauthorized code execution.
Affected Systems and Versions
Pulse Connect Secure versions 9.0R3 and 9.1R1, and higher are impacted by this vulnerability, exposing them to potential exploitation.
Exploitation Mechanism
Threat actors leverage the authentication bypass to execute malicious code remotely on the Pulse Connect Secure gateway, leading to potential system compromise.
Mitigation and Prevention
Discover the necessary steps to safeguard systems from the CVE and prevent unauthorized access.
Immediate Steps to Take
Immediate actions involve applying security patches, restricting network access, and monitoring for any suspicious activities on the network.
Long-Term Security Practices
Implementing robust security protocols, conducting regular security audits, and ensuring timely updates can enhance the long-term security posture.
Patching and Updates
Regularly check for security updates from Pulse Secure, apply patches promptly, and maintain proactive security measures to mitigate the risk of exploitation.