CVE-2021-44367 : Vulnerability Insights and Analysis
Learn about CVE-2021-44367, a high-severity denial of service vulnerability in reolink RLC-410W v3.0.0.136_20121102, allowing attackers to trigger a system reboot through crafted HTTP requests. Read for mitigation steps.
A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102, allowing an attacker to trigger a reboot through a specially-crafted HTTP request.
Understanding CVE-2021-44367
What is CVE-2021-44367?
The CVE-2021-44367 is a denial of service vulnerability that can be exploited via the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102. An attacker can cause a reboot by sending a malicious HTTP request.
The Impact of CVE-2021-44367
This vulnerability has a high severity level with a base CVSS score of 8.6. It requires no privileges to exploit and can result in a denial of service leading to system unavailability.
Technical Details of CVE-2021-44367
Vulnerability Description
The vulnerability lies in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102 where a crafted HTTP request can cause a reboot.
Affected Systems and Versions
- Vendor: Not applicable (n/a)
- Product: Not applicable (n/a)
- Version: RLC-410W v3.0.0.136_20121102
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- User Interaction: None
- Scope: Changed
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor for patches
- Implement network-level controls
Long-Term Security Practices
- Regularly update firmware
- Conduct security assessments
- Enhance network monitoring
Patching and Updates
- Check vendor's security advisories
- Apply patches promptly