CVE-2021-41029 : Exploit Details and Defense Strategies
Discover how CVE-2021-41029 in Fortinet FortiWLM allows attackers to execute unauthorized code via improper input neutralization. Learn about the impact, affected versions, and mitigation steps.
A vulnerability in Fortinet FortiWLM version 8.6.1 and below could allow an attacker to execute unauthorized code or commands.
Understanding CVE-2021-41029
What is CVE-2021-41029?
The vulnerability involves improper neutralization of input during web page generation, specifically 'cross-site scripting,' enabling attackers to inject and execute malicious JavaScript code on the device.
The Impact of CVE-2021-41029
The vulnerability has a CVSS base score of 6.1, with medium severity. It requires low privileges and user interaction, potentially leading to unauthorized code execution.
Technical Details of CVE-2021-41029
Vulnerability Description
- Type: Cross-site Scripting (XSS)
- Affected Product: Fortinet FortiWLM
- Affected Versions: 8.6.1, 8.6.0, 8.5.2, and others
Affected Systems and Versions
The vulnerability affects Fortinet FortiWLM versions 8.6.1 and older.
Exploitation Mechanism
Attackers can exploit this issue by storing malicious JavaScript code on the device and triggering it through crafted HTTP requests.
Mitigation and Prevention
Immediate Steps to Take
- Update Fortinet FortiWLM to the latest version to patch the vulnerability.
- Implement strict input validation to prevent XSS attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly review and update security configurations.
- Conduct security training to raise awareness of the risks associated with XSS vulnerabilities.
Patching and Updates
Apply security patches released by Fortinet to address the vulnerability.