CVE-2021-44170 : What You Need to Know
Learn about CVE-2021-44170, a stack-based buffer overflow vulnerability in Fortinet FortiProxy and FortiOS, allowing unauthorized code execution. Understand impacts, technical details, and mitigation.
A stack-based buffer overflow vulnerability in the command line interpreter of FortiOS before 7.0.4 and FortiProxy before 2.0.8 may allow unauthorized code execution.
Understanding CVE-2021-44170
A vulnerability in Fortinet products that could lead to unauthorized code execution.
What is CVE-2021-44170?
A stack-based buffer overflow vulnerability in FortiOS and FortiProxy enables execution of unauthorized code via crafted command line arguments.
The Impact of CVE-2021-44170
- CVSS Base Score: 6.7 (Medium)
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: High
- Attack Vector: Local
- Exploit Code Maturity: Proof of Concept
- User Interaction: None
- Remediation Level: Unavailable
Technical Details of CVE-2021-44170
Vulnerability specifics and its technical aspects.
Vulnerability Description
- This is a stack-based buffer overflow vulnerability in the command line interpreter.
Affected Systems and Versions
- Products: Fortinet FortiProxy, FortiOS
- Versions: FortiOS before 7.0.4; FortiProxy before 2.0.8
Exploitation Mechanism
- An authenticated attacker could exploit this by using specially crafted command line arguments.
Mitigation and Prevention
Ways to mitigate and prevent the CVE-2021-44170 threat.
Immediate Steps to Take
- Update affected systems to versions 7.0.4 for FortiOS and 2.0.8 for FortiProxy.
- Monitor for any unauthorized code execution attempts.
Long-Term Security Practices
- Implement strong authentication measures to prevent unauthorized access.
- Regularly conduct security audits and vulnerability assessments.
Patching and Updates
- Apply security patches promptly to address known vulnerabilities.