CVE-2020-12000 Deserialization in Ignition 8 Gateway

High 7.5 Published 9 Jun 2020 Updated 4 Aug 2024

An attacker can exploit improper validation of serialized data in Ignition Gateway to obtain sensitive information.

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-2020-12000?

CVE-2020-12000 is a high-severity unsafe deserialization vulnerability in Ignition 8 Gateway, published on 9 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The affected product is vulnerable to the handling of serialized data. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data on the Ignition 8 Gateway (versions prior to 8.0.10) and Ignition 7 Gateway (versions prior to 7.9.14), allowing an attacker to obtain sensitive information.

Weakness: CWE-502

Which versions are affected by CVE-2020-12000?

It affects 1 product.

Products include Inductiveautomation Ignition Gateway.

How do I fix CVE-2020-12000?

No fix has been published for CVE-2020-12000 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2020-12000 being exploited?

There is no known exploitation of CVE-2020-12000 in the wild and no public exploit code.

Sources

Also known as GHSA-gh6q-wrfg-c8wf.