Is CVE-2023-38123 actively exploited?

No active exploitation of CVE-2023-38123 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-38123 be exploited remotely?

Yes. CVE-2023-38123 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-38123?

CVE-2023-38123 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2023-38123

CWE-306Published: May 3, 2024· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-38123 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.