CVE-2022-20913 : Security Advisory and Response
Learn about CVE-2022-20913, a vulnerability in Cisco Nexus Dashboard allowing attackers to write arbitrary files on affected devices. Find out the impact, technical details, and mitigation steps.
A vulnerability in Cisco Nexus Dashboard allows an authenticated attacker to write arbitrary files on an affected device through the web-based management interface.
Understanding CVE-2022-20913
This CVE details a security issue in Cisco Nexus Dashboard that could be exploited by an attacker to manipulate files on the target device.
What is CVE-2022-20913?
The vulnerability in Cisco Nexus Dashboard stems from inadequate input validation in its web-based management interface, enabling an attacker with Admin credentials to upload a malicious file and overwrite arbitrary files on the device.
The Impact of CVE-2022-20913
The severity of this CVE is rated as medium with a CVSS base score of 4.9. While there have been no known public exploits or malicious activities related to this vulnerability, it still poses a significant risk to affected systems.
Technical Details of CVE-2022-20913
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises due to insufficient input validation in Cisco Nexus Dashboard, granting unauthorized users the ability to upload crafted files and compromise the integrity of the system.
Affected Systems and Versions
The vulnerability impacts all versions of Cisco Nexus Dashboard and could potentially affect any system with the vulnerable software.
Exploitation Mechanism
By leveraging Administrator credentials, an attacker can exploit this vulnerability by uploading a malicious file through the web-based management interface, leading to the unauthorized modification of files on the affected device.
Mitigation and Prevention
To safeguard systems from CVE-2022-20913, certain immediate steps and long-term security practices need to be followed.
Immediate Steps to Take
Immediately update Cisco Nexus Dashboard to the latest patched version provided by Cisco to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Incorporate regular security audits, access control policies, and user training to enhance the overall security posture of your systems and prevent similar exploits.
Patching and Updates
Regularly monitor vendor advisories and security alerts for any updates or patches related to Cisco Nexus Dashboard to ensure timely mitigation of potential vulnerabilities.