CVE-2022-42972 : Vulnerability Insights and Analysis

A CWE-732 vulnerability has been identified in Schneider Electric's APC Easy UPS Online Monitoring Software, which could lead to local privilege escalation by a local attacker modifying the webroot directory.

Understanding CVE-2022-42972

This section delves into the impact and technical details of the CVE-2022-42972 vulnerability.

What is CVE-2022-42972?

CVE-2022-42972 is a CWE-732 vulnerability involving Incorrect Permission Assignment for Critical Resource in Schneider Electric's monitoring software.

The Impact of CVE-2022-42972

The vulnerability can be exploited by a local attacker to escalate privileges, potentially leading to unauthorized access and control of critical resources.

Technical Details of CVE-2022-42972

Let's explore further into the specific technical aspects of this vulnerability.

Vulnerability Description

The vulnerability arises when a local attacker manipulates the webroot directory, exploiting improper permission assignment.

Affected Systems and Versions

Schneider Electric's APC Easy UPS Online Monitoring Software versions prior to V2.5-GA and V2.5-GA-01-22261, along with Schneider Electric Easy UPS Online Monitoring Software versions prior to V2.5-GS and V2.5-GS-01-22261, are susceptible to this vulnerability.

Exploitation Mechanism

The vulnerability allows a local attacker to gain elevated privileges by tampering with the webroot directory, enabling unauthorized actions.

Mitigation and Prevention

Here's what you need to do to address and prevent potential exploitation of CVE-2022-42972.

Immediate Steps to Take

Upgrade Schneider Electric's monitoring software to versions V2.5-GA or later for APC Easy UPS or V2.5-GS or later for Schneider Electric Easy UPS
Restrict unnecessary access to webroot directories

Long-Term Security Practices

Regularly monitor and update software to mitigate emerging vulnerabilities
Implement the principle of least privilege to restrict access based on job roles

Patching and Updates

Ensure timely installation of security patches and updates provided by Schneider Electric to safeguard against known vulnerabilities.