CVE-2020-21883 : Security Advisory and Response

Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 contain an OS command injection vulnerability in /tools/ping, which can lead to complete device takeover.

Understanding CVE-2020-21883

This CVE involves a critical OS command injection vulnerability in specific Unibox products that could result in a complete compromise of the affected device.

What is CVE-2020-21883?

The vulnerability in Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4 allows attackers to execute arbitrary commands through the /tools/ping feature, potentially leading to a full device takeover.

The Impact of CVE-2020-21883

Exploitation of this vulnerability could result in unauthorized access, data theft, disruption of services, and complete control of the affected device by malicious actors.

Technical Details of CVE-2020-21883

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in the /tools/ping functionality of Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4, allowing unauthorized command execution.

Affected Systems and Versions

Unibox U-50 2.4
UniBox Enterprise Series 2.4
UniBox Campus Series 2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious commands through the /tools/ping feature, potentially gaining complete control over the device.

Mitigation and Prevention

Protecting systems from CVE-2020-21883 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable or restrict access to the /tools/ping feature on affected devices.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch the affected Unibox products to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address any weaknesses in the system.

Patching and Updates

Apply patches and updates provided by the vendor to address the OS command injection vulnerability in Unibox U-50 2.4 and UniBox Enterprise Series 2.4 and UniBox Campus Series 2.4.