CVE-2021-22805 Missing authorization in Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)

Critical 9.1 Published 11 Feb 2022 Updated 3 Aug 2024

An attacker can delete arbitrary files on the system by sending unvalidated network messages to the SCADA Data Collector due to missing authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22805?

CVE-2021-22805 is a critical missing authorization vulnerability in Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior), published on 11 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A CWE-306: Missing Authentication for Critical Function vulnerability exists that could cause deletion of arbitrary files in the context of the user running IGSS due to lack of validation of network messages. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)

Weakness: CWE-306

Which versions are affected by CVE-2021-22805?

It affects 1 product.

Products include Schneider-Electric Interactive Graphical Scada System Data Collector.

How do I fix CVE-2021-22805?

No fix has been published for CVE-2021-22805 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-2021-22805 being exploited?

There is no known exploitation of CVE-2021-22805 in the wild and no public exploit code.

Sources

Also known as GHSA-px95-pcrx-64c4.