CVE-2023-39474: Inductive Automation Ignition downloadLaunchClientJar Remote Code Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-03 · updated 2026-06-17
Weakness: CWE-494

Description

Inductive Automation Ignition downloadLaunchClientJar Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition. User interaction is required to exploit this vulnerability in that the target must connect to a malicious server. The specific flaw exists within the downloadLaunchClientJar function. The issue results from the lack of validating a remote JAR file prior to loading it. An attacker can leverage this vulnerability to execute code in the context of the current user. . Was ZDI-CAN-19915.

Affected products

Inductive Automation Ignition: from 8.1.0 before 8.1.35 — fixed in 8.1.35

How to fix

Upgrade to a fixed version: Inductive Automation Ignition 8.1.35. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-39474 or the next vulnerability affects your stack