CVE-2020-29057 : Vulnerability Insights and Analysis

An issue was discovered on CDATA devices, allowing remote attackers to cause a denial of service (reboot) through a "shawarma" attack.

Understanding CVE-2020-29057

This CVE involves a vulnerability in CDATA devices that can be exploited by sending random bytes to the telnet server on port 23.

What is CVE-2020-29057?

The CVE-2020-29057 vulnerability allows remote attackers to trigger a denial of service (reboot) on CDATA devices by exploiting the telnet server on port 23.

The Impact of CVE-2020-29057

Remote attackers can cause a denial of service (reboot) on affected CDATA devices.

Technical Details of CVE-2020-29057

This section provides technical details about the vulnerability in CDATA devices.

Vulnerability Description

Attackers can exploit the telnet server on port 23 to send random bytes, leading to a denial of service (reboot) on CDATA devices.

Affected Systems and Versions

CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices.

Exploitation Mechanism

Remote attackers can exploit the telnet server on port 23 by sending random bytes, causing a denial of service (reboot) on CDATA devices.

Mitigation and Prevention

Protect your systems from CVE-2020-29057 with the following steps:

Immediate Steps to Take

Disable or restrict access to the telnet server on port 23.
Implement network segmentation to limit exposure of vulnerable devices.

Long-Term Security Practices

Regularly update and patch CDATA devices to address security vulnerabilities.

Patching and Updates

Apply security patches provided by the vendor to mitigate the CVE-2020-29057 vulnerability.