Published on May 18, 2022, CVE-2022-20807 involves multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence VCS, enabling remote attackers to compromise device integrity.
Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. This CVE was published on May 18, 2022, with a CVSSv3.1 base score of 4.3.
Understanding CVE-2022-20807
This CVE encompasses multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence VCS that could be exploited by remote authenticated attackers.
What is CVE-2022-20807?
The vulnerability in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence VCS could enable an authenticated attacker to write files or reveal sensitive data on the targeted device.
The Impact of CVE-2022-20807
With a CVSSv3.1 base score of 4.3 (Medium Severity), this vulnerability could potentially lead to unauthorized file writing and disclosure of confidential information on affected devices.
Technical Details of CVE-2022-20807
These technical details shed light on the specific aspects of the vulnerability.
Vulnerability Description
The vulnerability allows authenticated remote attackers to exploit the API and web-based management interfaces to compromise the integrity of the system.
Affected Systems and Versions
The affected product is the Cisco TelePresence Video Communication Server (VCS) Expressway, and all versions are vulnerable.
Exploitation Mechanism
The exploitation of this vulnerability requires authentication as a remote attacker to initiate unauthorized activities on the target device.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-20807, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Implementing strict access controls, monitoring system logs regularly, and applying patches promptly are immediate steps to mitigate the vulnerability.
Long-Term Security Practices
Regular security training for staff, conducting vulnerability assessments, and maintaining up-to-date security configurations are essential for long-term security.
Patching and Updates
Installing security patches provided by Cisco for affected products is crucial to prevent exploitation of this vulnerability.