CVE-2021-43077 : Vulnerability Insights and Analysis
Discover the SQL injection vulnerability (CVE-2021-43077) in Fortinet FortiWLM versions 8.6.2 and below. Learn the impact, affected systems, and mitigation steps for this high-severity issue.
A vulnerability in Fortinet FortiWLM allows attackers to execute unauthorized code via crafted HTTP requests.
Understanding CVE-2021-43077
What is CVE-2021-43077?
An SQL injection flaw in Fortinet FortiWLM versions 8.6.2 and below enables attackers to run unauthorized commands through malicious HTTP requests.
The Impact of CVE-2021-43077
The vulnerability holds a CVSS base score of 8.8 (High severity) and can lead to code execution by exploiting AP monitor handlers.
Technical Details of CVE-2021-43077
Vulnerability Description
- Improper neutralization of special elements in SQL commands (SQL injection) in Fortinet FortiWLM.
Affected Systems and Versions
- Fortinet FortiWLM versions 8.6.2, 8.6.1, 8.6.0, 8.5.2, 8.5.1, 8.5.0, 8.4.2, 8.4.1, 8.4.0, 8.3.2, 8.3.1, 8.3.0, 8.2.2.
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches immediately.
- Monitor network traffic for signs of exploitation.
- Restrict network access to critical systems.
Long-Term Security Practices
- Regularly update and patch systems and software.
- Conduct security training to raise awareness of SQL injection risks.
Patching and Updates
- Fortinet has released patches to address the vulnerability in affected versions.