CVE-2022-20937 : Vulnerability Insights and Analysis
Discover a vulnerability in Cisco Identity Services Engine Software that allows attackers to impact device performance. Learn the affected systems, versions, and mitigation steps.
A vulnerability in a feature that monitors RADIUS requests on Cisco Identity Services Engine (ISE) Software could allow an unauthenticated, remote attacker to negatively affect the performance of an affected device.
Understanding CVE-2022-20937
This CVE identifies a vulnerability in Cisco Identity Services Engine (ISE) Software that could lead to a decrease in device performance due to insufficient resource management.
What is CVE-2022-20937?
The vulnerability in Cisco ISE Software is a result of inadequate system resource management. An attacker could exploit this by sending specific RADIUS traffic, causing reduced performance and significant delays in RADIUS authentications.
The Impact of CVE-2022-20937
If successfully exploited, this vulnerability could result in decreased performance of the affected device, potentially leading to significant delays in RADIUS authentication processes.
Technical Details of CVE-2022-20937
This section outlines the technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability stems from insufficient resource pool management in the Cisco ISE Software, allowing attackers to disrupt device performance through targeted RADIUS traffic.
Affected Systems and Versions
Multiple versions of Cisco Identity Services Engine (ISE) Software are impacted, including versions 2.4.0 to 3.1.0.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating specific RADIUS traffic, causing performance degradation in the affected Cisco ISE Software.
Mitigation and Prevention
To address CVE-2022-20937, immediate steps, long-term security practices, and the importance of patching and updates are highlighted.
Immediate Steps to Take
Immediately applying workarounds provided by Cisco can mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Enhancing network monitoring, implementing access controls, and regular security audits are essential for long-term security practices.
Patching and Updates
Regularly updating Cisco Identity Services Engine (ISE) Software and applying security patches can help prevent exploitation of this vulnerability.