CVE-2020-7479 Missing authorization in IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009)

High 7.8 Published 23 Mar 2020 Updated 4 Aug 2024

A local attacker can execute privileged processes via the IGSS Update Service due to missing authentication, requiring an upgrade to mitigate.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-7479?

CVE-2020-7479 is a high-severity missing authorization vulnerability in IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009), published on 23 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.

Weakness: CWE-306

Which versions are affected by CVE-2020-7479?

It affects 1 product.

Products include Schneider-Electric Interactive Graphical Scada System.

How do I fix CVE-2020-7479?

No fix has been published for CVE-2020-7479 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-7479 being exploited?

There is no known exploitation of CVE-2020-7479 in the wild and no public exploit code.

Sources

Also known as GHSA-pc87-89gv-xqj4.