CVE-2017-5156 Explained : Impact and Mitigation

Schneider Electric Wonderware InTouch Access Anywhere, version 11.5.2 and earlier, is affected by a Cross-Site Request Forgery vulnerability that could allow unauthorized access to internal systems.

Understanding CVE-2017-5156

This CVE identifies a security issue in Schneider Electric Wonderware InTouch Access Anywhere.

What is CVE-2017-5156?

CVE-2017-5156 is a Cross-Site Request Forgery problem in Schneider Electric Wonderware InTouch Access Anywhere, enabling manipulation of client requests from external sites.

The Impact of CVE-2017-5156

The vulnerability could permit an external website to access internal RDP systems on behalf of the logged-in user, potentially leading to unauthorized access.

Technical Details of CVE-2017-5156

Schneider Electric Wonderware InTouch Access Anywhere is susceptible to a specific security flaw.

Vulnerability Description

A Cross-Site Request Forgery issue in version 11.5.2 and prior allows unauthorized external access to internal systems.

Affected Systems and Versions

Product: Schneider Electric Wonderware InTouch Access Anywhere
Versions: 11.5.2 and earlier

Exploitation Mechanism

The vulnerability enables the forging of client requests from separate websites, granting access to internal RDP systems.

Mitigation and Prevention

Protect your systems from CVE-2017-5156 with these security measures.

Immediate Steps to Take

Apply security patches provided by Schneider Electric.
Monitor network traffic for any suspicious activity.
Implement strong authentication mechanisms.

Long-Term Security Practices

Regularly update software and security patches.
Conduct security audits and penetration testing.
Educate users on safe browsing practices.
Utilize network segmentation to limit access.

Patching and Updates

Ensure all systems are updated with the latest patches and security fixes to mitigate the risk of exploitation.