CVE-2021-44376 Explained : Impact and Mitigation

A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102. Learn about the impact, technical details, and mitigation steps for CVE-2021-44376.

Understanding CVE-2021-44376

This vulnerability in a particular version of Reolink cameras can lead to denial of service attacks through specially-crafted HTTP requests.

What is CVE-2021-44376?

A denial of service vulnerability in the JSON command parser of reolink RLC-410W v3.0.0.136_20121102 allows attackers to trigger reboots via HTTP requests.

The Impact of CVE-2021-44376

The vulnerability has a CVSS base score of 8.6, indicating a high severity level with potential for significant disruption.

Technical Details of CVE-2021-44376

Explore the specifics of the vulnerability in reolink RLC-410W v3.0.0.136_20121102.

Vulnerability Description

Attack Complexity: Low
Attack Vector: Network
Availability Impact: High
Privileges Required: None
Scope: Changed

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially-crafted HTTP requests to the cgiserver.cgi JSON command parser.

Mitigation and Prevention

Discover the steps to mitigate and prevent the impact of CVE-2021-44376.

Immediate Steps to Take

Monitor and filter incoming HTTP requests to detect and block malicious attempts.
Update to a patched version or apply vendor-recommended security updates.

Long-Term Security Practices

Regularly review and update security configurations and access controls.
Conduct periodic security assessments and penetration testing.
Stay informed about emerging threats and vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates to the affected systems and devices.