CVE-2022-20850 : What You Need to Know
Learn about CVE-2022-20850, a vulnerability in Cisco SD-WAN Solution allowing file deletion. Understand impact, affected systems, mitigation, and prevention steps.
A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device.
Understanding CVE-2022-20850
This CVE involves a vulnerability in Cisco SD-WAN Solution that could be exploited by an attacker to delete files from the device's file system.
What is CVE-2022-20850?
This vulnerability in the CLI of Cisco SD-WAN Software allows a local attacker to delete files by injecting arbitrary file path information while using CLI commands.
The Impact of CVE-2022-20850
A successful exploit of this vulnerability could lead to the deletion of arbitrary files from the affected device's file system.
Technical Details of CVE-2022-20850
The vulnerability has a CVSSv3.1 base score of 5.5 with a medium severity rating. It has a low attack complexity and requires low privileges to execute the exploit.
Vulnerability Description
The vulnerability is a result of insufficient input validation in the CLI commands of Cisco SD-WAN Software.
Affected Systems and Versions
The vulnerability affects stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software. All versions are affected.
Exploitation Mechanism
An authenticated, local attacker can exploit this vulnerability by injecting arbitrary file path information through CLI commands to delete files from the device's file system.
Mitigation and Prevention
To mitigate the risk associated with CVE-2022-20850, immediate actions should be taken to address the vulnerability in Cisco SD-WAN Solution.
Immediate Steps to Take
Organizations are advised to apply security patches and updates provided by Cisco to remediate the vulnerability.
Long-Term Security Practices
Implementing secure coding practices, regular security assessments, and user training can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from Cisco and ensure timely application of patches to protect against known vulnerabilities.