CVE-2022-20622 : Vulnerability Insights and Analysis
Discover the high severity CVE-2022-20622 impacting Cisco Aironet Access Point Software. Learn about the vulnerability, its impact, affected systems, and mitigation steps.
A vulnerability in IP ingress packet processing of the Cisco Embedded Wireless Controller with Catalyst Access Points Software has been identified, allowing an unauthenticated remote attacker to trigger unexpected device reloads, leading to a denial of service (DoS) situation.
Understanding CVE-2022-20622
This CVE involves a high severity vulnerability in Cisco Aironet Access Point Software by Cisco, impacting the IP packet processing of the Embedded Wireless Controller with Catalyst Access Points Software.
What is CVE-2022-20622?
The vulnerability is a result of improper rate limiting of IP packets to the management interface. Exploitation involves sending a high rate of IP traffic to the affected device's management interface, leading to unexpected reloads.
The Impact of CVE-2022-20622
The vulnerability can cause performance degradation in traffic processing or high CPU usage before triggering device reloads. Attackers could exploit this to cause denial of service incidents.
Technical Details of CVE-2022-20622
Vulnerability Description
The vulnerability arises from inadequate rate limiting of IP packets to the management interface.
Affected Systems and Versions
The vulnerability affects Cisco Aironet Access Point Software with Cisco Embedded Wireless Controller and Catalyst Access Points Software, versions not available.
Exploitation Mechanism
Attackers can exploit the vulnerability by sending a continuous stream of IP traffic at a high rate to the management interface of the impacted device, leading to unexpected reloads.
Mitigation and Prevention
Taking immediate steps, adhering to long-term security practices, and applying necessary patches and updates are crucial for safeguarding systems.
Immediate Steps to Take
Organizations should monitor for security advisories from Cisco, implement recommended security measures, and restrict network access to mitigate the risk.
Long-Term Security Practices
Regular security training, threat assessments, and network monitoring are essential for maintaining a secure environment.
Patching and Updates
Applying patches and updates provided by Cisco is vital to address the vulnerability and enhance system security.