Know about CVE-2022-43955 impacting Fortinet FortiWeb versions 7.0.0 to 7.0.3, 6.3.0 to 6.3.21, and more. Learn its impact, technical details, and mitigation steps here.
A security vulnerability has been identified in Fortinet's FortiWeb web interface versions 7.0.0 through 7.0.3, 6.3.0 through 6.3.21, 6.4, 6.2, 6.1, and 6.0. This vulnerability could allow an unauthenticated attacker to execute a reflected cross-site scripting attack by injecting malicious payloads into log entries used to build reports.
Understanding CVE-2022-43955
This section will delve into the specifics of CVE-2022-43955.
What is CVE-2022-43955?
The vulnerability in the FortiWeb web interface versions mentioned could enable an attacker to perform a reflected cross-site scripting attack through injecting malicious payloads in log entries.
The Impact of CVE-2022-43955
The impact of this vulnerability is rated as HIGH, with a CVSS score of 8.0. If exploited, an attacker could execute unauthorized code or commands.
Technical Details of CVE-2022-43955
Let's explore the technical aspects of CVE-2022-43955.
Vulnerability Description
The vulnerability involves improper neutralization of input during web page generation in FortiWeb web interface versions 7.0.0 through 7.0.3, 6.3.0 through 6.3.21, and all versions of 6.4, 6.2, 6.1, and 6.0.
Affected Systems and Versions
Fortinet's FortiWeb versions 7.0.0 to 7.0.3, 6.3.0 to 6.3.21, 6.4, 6.2, 6.1, and 6.0 are affected by this vulnerability.
Exploitation Mechanism
An unauthenticated remote attacker could exploit this vulnerability by injecting malicious payloads in log entries to execute a reflected cross-site scripting attack.
Mitigation and Prevention
Explore the steps to mitigate and prevent exploitation of CVE-2022-43955.
Immediate Steps to Take
Users are advised to upgrade to FortiWeb version 7.2.0 or above, 7.0.4 or above, or 6.3.22 or above to mitigate the vulnerability.
Long-Term Security Practices
Enforce best security practices such as input validation and output encoding to prevent cross-site scripting attacks.
Patching and Updates
Regularly check for security updates and patches provided by Fortinet to address vulnerabilities.