CVE-2021-25653 : Security Advisory and Response

A privilege escalation vulnerability was found in Avaya Aura Appliance Virtualization Platform Utilities (AVPU) that affects versions 8.0.0.0 through 8.1.3.1, posing a high risk to confidentiality, integrity, and availability.

Understanding CVE-2021-25653

This CVE-2021-25653 targets Avaya Aura Appliance Virtualization Platform Utilities, potentially enabling local users to escalate privileges.

What is CVE-2021-25653?

It is a privilege escalation vulnerability in Avaya Aura Appliance Virtualization Platform Utilities, allowing local users to elevate their permissions.

The Impact of CVE-2021-25653

The vulnerability has a high severity level, with a CVSS base score of 8, affecting confidentiality, integrity, and availability of the system.

Technical Details of CVE-2021-25653

The vulnerability allows local users to escalate privileges within affected versions of Avaya Aura Appliance Virtualization Platform Utilities.

Vulnerability Description

The flaw in AVPU versions 8.0.0.0 through 8.1.3.1 permits unauthorized privilege escalation.

Affected Systems and Versions

Avaya Aura Appliance Virtualization Platform Utilities versions 8.0.0.0 through 8.1.3.1 are impacted by this vulnerability.

Exploitation Mechanism

Local users can exploit this vulnerability to escalate their privileges on the system.

Mitigation and Prevention

To address CVE-2021-25653, immediate steps need to be taken to secure systems and prevent unauthorized access.

Immediate Steps to Take

Users are advised to apply security patches provided by Avaya to mitigate the vulnerability.

Long-Term Security Practices

Implementing strong access controls and monitoring user privileges can help prevent similar exploits in the future.

Patching and Updates

Regularly updating the Avaya Aura Appliance Virtualization Platform Utilities to the latest versions can help mitigate security risks.