CVE-2020-7121 Explained : Impact and Mitigation

Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400 are affected by memory corruption vulnerabilities that could lead to Local Denial of Service of the LLDP process.

Understanding CVE-2020-7121

Two memory corruption vulnerabilities have been identified in the Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400.

What is CVE-2020-7121?

The vulnerabilities could be exploited to cause Local Denial of Service of the LLDP process in the affected switches.

The Impact of CVE-2020-7121

Successful exploitation of these vulnerabilities could result in a Local Denial of Service of the LLDP process in the switch.

Technical Details of CVE-2020-7121

Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400 are affected by these vulnerabilities.

Vulnerability Description

The vulnerabilities are related to memory corruption in the LLDP implementation.

Affected Systems and Versions

Product: Aruba CX Switch Series 6200F, 6300, 6400, 8320, 8325, and 8400
Versions: Firmware 10.04.3021 and below

Exploitation Mechanism

The vulnerabilities can be exploited by attackers to trigger Local Denial of Service of the LLDP process.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-7121.

Immediate Steps to Take

Update the firmware to version 10.04.3021 or above to mitigate the vulnerabilities.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update firmware and security patches to protect against known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerabilities and enhance the security of the affected systems.