CVE-2020-7495 : What You Need to Know

A CWE-22 vulnerability exists in EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior, allowing unauthorized write access outside the expected path folder.

Understanding CVE-2020-7495

This CVE involves a Path Traversal vulnerability in EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and earlier versions.

What is CVE-2020-7495?

The vulnerability allows for unauthorized write access outside the intended path folder when opening the project file.

The Impact of CVE-2020-7495

The vulnerability could be exploited to gain unauthorized access and potentially manipulate files outside the expected directory.

Technical Details of CVE-2020-7495

This section provides technical details of the CVE.

Vulnerability Description

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability during zip file extraction.

Affected Systems and Versions

EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior (formerly known as Vijeo XD).

Exploitation Mechanism

The vulnerability occurs during zip file extraction, allowing unauthorized write access beyond the expected path folder.

Mitigation and Prevention

Protect your systems from CVE-2020-7495 with the following steps:

Immediate Steps to Take

Apply security patches provided by the vendor.
Restrict access to vulnerable systems.
Monitor for any unauthorized access attempts.

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities.
Implement access controls and least privilege principles.
Conduct security assessments and penetration testing.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the CVE-2020-7495 vulnerability.