CVE-2021-41503 : Security Advisory and Response

DCS-5000L v1.05 and DCS-932L v2.17 and older are affected by an Incorrect Access Control vulnerability, allowing unauthorized access to the device's command interface.

Understanding CVE-2021-41503

This CVE involves vulnerabilities in DCS-5000L v1.05 and DCS-932L v2.17 and older models due to incorrect access control mechanisms.

What is CVE-2021-41503?

The vulnerability stems from the use of basic authentication on the devices' command interfaces, enabling potential attackers to compromise camera configurations and permit unauthorized LAN access.

The Impact of CVE-2021-41503

The vulnerability allows malicious users on the LAN to exploit the devices, posing risks to privacy, security, and data confidentiality.

Technical Details of CVE-2021-41503

This section provides additional technical insight into the CVE.

Vulnerability Description

DCS-5000L v1.05 and DCS-932L v2.17 and older are affected by Incorrect Access Control, potentially leading to unauthorized access and configuration compromise.

Affected Systems and Versions

Products affected: DCS-5000L v1.05 and DCS-932L v2.17 and older.
Status: Affected.

Exploitation Mechanism

The use of basic authentication for the devices' command interfaces creates attack vectors that may compromise camera configurations and grant LAN access to malicious users.

Mitigation and Prevention

Protect your systems from CVE-2021-41503 with the following steps:

Immediate Steps to Take

Discontinue the use of unsupported devices.
Implement strong, unique passwords.
Regularly monitor and update devices.

Long-Term Security Practices

Use multi-factor authentication.
Implement network segmentation.
Conduct regular security assessments.

Patching and Updates

Update to supported firmware versions.
Follow manufacturer security advisories.