CVE-2021-29149 : Exploit Details and Defense Strategies

A local bypass security restrictions vulnerability was discovered in Aruba CX 6200F Switch Series, Aruba 6300 Switch Series, Aruba 6400 Switch Series, Aruba 8320 Switch Series, Aruba 8325 Switch Series, Aruba 8400 Switch Series, Aruba CX 8360 Switch Series version(s) that run Aruba AOS-CX firmware versions prior to 10.04.3070, 10.05.0070, 10.06.0110, 10.07.0001. Aruba has released upgrades to address this vulnerability.

Understanding CVE-2021-29149

This CVE pertains to a local bypass security restrictions vulnerability in multiple Aruba switch series.

What is CVE-2021-29149?

The CVE-2021-29149 is a vulnerability that allows for local bypass security restrictions on various Aruba switch series when running specific versions of the Aruba AOS-CX firmware.

The Impact of CVE-2021-29149

This vulnerability could be exploited by a local attacker to bypass security restrictions on the affected Aruba switches, potentially leading to unauthorized access or privilege escalation.

Technical Details of CVE-2021-29149

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability resides in the Aruba AOS-CX firmware versions prior to 10.04.3070, 10.05.0070, 10.06.0110, 10.07.0001, allowing for the local bypass of security restrictions.

Affected Systems and Versions

Aruba CX 6200F Switch Series, Aruba 6300 Switch Series, Aruba 6400 Switch Series, Aruba 8320 Switch Series, Aruba 8325 Switch Series, Aruba 8400 Switch Series, Aruba CX 8360 Switch Series running Aruba AOS-CX firmware versions prior to 10.04.3070, 10.05.0070, 10.06.0110, 10.07.0001 are affected by this vulnerability.

Exploitation Mechanism

Local attackers can exploit this vulnerability to bypass security restrictions on the affected Aruba switches.

Mitigation and Prevention

To address CVE-2021-29149, follow these steps:

Immediate Steps to Take

Apply the security upgrades provided by Aruba for the AOS-CX firmware.
Monitor network activity for any signs of unauthorized access.

Long-Term Security Practices

Keep all network infrastructure components up to date with the latest firmware and security patches.
Implement strong access controls and regularly review security configurations.

Patching and Updates

Regularly check for updates and patches from Aruba to ensure that your devices are protected against known vulnerabilities.