CVE-2021-25657 : Vulnerability Insights and Analysis

A privilege escalation vulnerability was discovered in Avaya IP Office Admin Lite and USB Creator that may potentially allow a local user to escalate privileges. This vulnerability affects Avaya IP Office versions up to 11.1 Feature Pack 2 Service Pack 1.

Understanding CVE-2021-25657

This section will delve into the details of the privilege escalation vulnerability in Avaya IP Office

What is CVE-2021-25657?

The CVE-2021-25657 vulnerability pertains to a privilege escalation issue in Avaya IP Office Admin Lite and USB Creator, allowing a local user to escalate their privileges on affected systems.

The Impact of CVE-2021-25657

This vulnerability has a CVSS base score of 7.8, categorizing it as high severity. It poses a significant risk as it can lead to high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-25657

In this section, we will explore the technical aspects of the CVE-2021-25657 vulnerability.

Vulnerability Description

The vulnerability allows a local user to exploit Avaya IP Office Admin Lite and USB Creator, thereby escalating their privileges on the system.

Affected Systems and Versions

Avaya IP Office versions up to 11.1 Feature Pack 2 Service Pack 1 are affected by this privilege escalation vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a local user to gain elevated privileges on the affected Avaya IP Office systems.

Mitigation and Prevention

To address the CVE-2021-25657 vulnerability, certain steps and security practices are recommended.

Immediate Steps to Take

Users are advised to apply security patches provided by Avaya to mitigate the privilege escalation risk. Additionally, restricting access to vulnerable systems is crucial.

Long-Term Security Practices

Implementing least privilege access, regular security updates, and monitoring system activities can help prevent unauthorized escalations of privileges.

Patching and Updates

Regularly updating Avaya IP Office to the latest versions is essential to ensure that security patches are in place and vulnerabilities are mitigated.