CVE-2017-16720 : What You Need to Know

A vulnerability affecting WebAccess versions 8.3.2 and older was found, allowing unauthorized access to files within the directory structure of the targeted device.

Understanding CVE-2017-16720

A Path Traversal issue in WebAccess versions 8.3.2 and earlier enables attackers to access files within the target device's directory structure.

What is CVE-2017-16720?

This CVE identifies a security flaw in Advantech WebAccess versions 8.3.2 and older that permits unauthorized individuals to gain access to files within the device's directory structure.

The Impact of CVE-2017-16720

The vulnerability could lead to unauthorized disclosure of sensitive information, manipulation of critical files, and potential compromise of the affected device's integrity.

Technical Details of CVE-2017-16720

Vulnerability Description

A Path Traversal issue in Advantech WebAccess versions 8.3.2 and earlier allows attackers to access files within the directory structure of the target device.

Affected Systems and Versions

Product: Advantech WebAccess
Versions: 8.3.2 and older

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating file paths to access files outside the intended directory, potentially compromising the device's security.

Mitigation and Prevention

Immediate Steps to Take

Update to the latest version of Advantech WebAccess to patch the vulnerability.
Implement access controls and restrictions to limit unauthorized file access.

Long-Term Security Practices

Regularly monitor and audit file access and system logs for any suspicious activities.
Conduct security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Advantech to address the Path Traversal issue in WebAccess versions.