CVE-2020-5146 Explained : Impact and Mitigation
Learn about CVE-2020-5146, a vulnerability in SonicWall SMA100 allowing OS command injection. Find out the impact, affected versions, and mitigation steps.
A vulnerability in SonicWall SMA100 appliance allows an authenticated management user to perform OS command injection using HTTP POST parameters. This vulnerability affects SMA100 Appliance version 10.2.0.2-20sv and earlier.
Understanding CVE-2020-5146
This CVE identifies a security flaw in SonicWall SMA100 appliances that could be exploited by authenticated users to execute OS command injections.
What is CVE-2020-5146?
The vulnerability in SonicWall SMA100 appliances enables authenticated management users to execute OS command injections via HTTP POST parameters.
The Impact of CVE-2020-5146
The vulnerability allows attackers to execute arbitrary OS commands, potentially leading to unauthorized access, data theft, or further compromise of the affected system.
Technical Details of CVE-2020-5146
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability stems from improper neutralization of special elements used in an OS command, known as 'OS Command Injection' (CWE-78).
Affected Systems and Versions
- Product: SMA100
- Vendor: SonicWall
- Versions Affected: 10.2.0.2-20sv and earlier
Exploitation Mechanism
The vulnerability can be exploited by authenticated management users leveraging HTTP POST parameters to inject malicious OS commands.
Mitigation and Prevention
Protecting systems from CVE-2020-5146 requires immediate action and long-term security measures.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor network traffic for any signs of exploitation.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security training for users to recognize and report suspicious activities.
- Implement strong access controls and least privilege principles.
- Employ network segmentation to limit the impact of potential breaches.
Patching and Updates
Ensure that the affected SMA100 Appliance is updated to a version that addresses the vulnerability.