CVE-2023-38123

Inductive Automation Ignition OPC UA Quick Client Missing Authentication for Critical Function Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication 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 server configuration. The issue results from the lack of authentication prior to allowing access to password change functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20540.

• CWE-306
• CWE-306

• https://inductiveautomation.com/blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-securityVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-1014/Third Party Advisory
• https://inductiveautomation.com/blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-securityVendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-1014/Third Party Advisory

Published

May 3, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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