CVE-2017-7970 Server-side request forgery in Citect Anywhere

Medium 6.5 Published Updated

Attackers can specify arbitrary server targets in connection requests, potentially accessing internal resources or bypassing security controls in Schneider Electric SCADA systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-7970?

CVE-2017-7970 is a medium-severity server-side request forgery vulnerability in Schneider Electric SE Citect Anywhere, published on 25 Sep 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability exists in Schneider Electric's PowerSCADA Anywhere v1.0 redistributed with PowerSCADA Expert v8.1 and PowerSCADA Expert v8.2 and Citect Anywhere version 1.0 that allows the ability to specify Arbitrary Server Target Nodes in connection requests to the Secure Gateway and Server components.

Which versions are affected by CVE-2017-7970?

It affects 2 products.

Products include Schneider-Electric Citect Anywhere, Schneider-Electric Powerscada Anywhere.

How do I fix CVE-2017-7970?

No fix has been published for CVE-2017-7970 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2017-7970 being exploited?

There is no known exploitation of CVE-2017-7970 in the wild and no public exploit code.

Sources

Also known as GHSA-mgw3-q3cc-425w.

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