CVE-2023-39473 Deserialization in Ignition

High 8.8 Published 3 May 2024 Updated 18 Sep 2024

Authenticated attackers can execute arbitrary code with SYSTEM privileges via unsafe deserialization in Ignition AbstractGatewayFunction.

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

What is CVE-2023-39473?

CVE-2023-39473 is a high-severity unsafe deserialization vulnerability in Inductive Automation Ignition, published on 3 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Inductive Automation Ignition AbstractGatewayFunction Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition. Authentication is required to exploit this vulnerability.

The specific flaw exists within the AbstractGatewayFunction class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-17587.

Weakness: CWE-502

Which versions are affected by CVE-2023-39473?

It affects 1 product.

Products include Inductiveautomation Ignition.

How do I fix CVE-2023-39473?

No fix has been published for CVE-2023-39473 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-2023-39473 being exploited?

There is no known exploitation of CVE-2023-39473 in the wild and no public exploit code.

Sources

Also known as GHSA-87mw-775v-8cmr.