CVE intelligence

CVE-2023-38121

Vulnerability intelligence

Published May 3, 2024Sources checked Nov 13, 2026

9.0CRITICALCVSS out of 10

What this means

Review the available evidence

CVE-2023-38121 and is rated Critical severity with a CVSS score of 9.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Nov 12, 2026

Release Notes

CISA KEVNot listedBased on the latest collected catalog

EPSS1.2%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2023-38121?

Inductive Automation Ignition OPC UA Quick Client Cross-Site Scripting 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 visit a malicious page or open a malicious file.

The specific flaw exists within the handling of the id parameter provided to the Inductive Automation Ignition web interface. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script.

An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20355.

Source: NVD