CVE-2021-25651 Explained : Impact and Mitigation
Learn about CVE-2021-25651, a privilege escalation vulnerability in Avaya Aura Utility Services. Understand the impact, affected systems, and mitigation steps.
A privilege escalation vulnerability was discovered in Avaya Aura Utility Services that may potentially allow a local user to escalate privileges. This CVE affects all 7.x versions of Avaya Aura Utility Services.
Understanding CVE-2021-25651
This section will provide an overview of what CVE-2021-25651 is all about.
What is CVE-2021-25651?
The CVE-2021-25651 is a privilege escalation vulnerability found in Avaya Aura Utility Services that could be exploited by a local user to elevate their privileges.
The Impact of CVE-2021-25651
The impact of this vulnerability is rated as HIGH according to the CVSS v3.1 scoring. It could result in potential privilege escalation for unauthorized users.
Technical Details of CVE-2021-25651
In this section, we will delve into the technical specifics of CVE-2021-25651.
Vulnerability Description
The vulnerability involves a privilege escalation issue in Avaya Aura Utility Services, impacting all 7.x versions.
Affected Systems and Versions
CVE-2021-25651 affects Avaya Aura Utility Services versions up to and including 7.1.3.8.
Exploitation Mechanism
The exploitation of this vulnerability could lead to unauthorized users gaining elevated privileges within the system.
Mitigation and Prevention
Here, we will outline steps to mitigate and prevent exploitation of CVE-2021-25651.
Immediate Steps to Take
Users are advised to update Avaya Aura Utility Services to a patched version to address this vulnerability.
Long-Term Security Practices
Implementing least privilege access controls and regular security audits can help prevent similar vulnerabilities.
Patching and Updates
Regularly applying security patches and updates from Avaya can help protect the system from known vulnerabilities.