Cyber Resilience

CVE-2023-38123

High

Published: 03 May 2024

Published
03 May 2024
Modified
13 March 2025
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0030 53.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-38123 is a high-severity Missing Authentication for Critical Function (CWE-306) vulnerability in Inductiveautomation Ignition. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 46.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

inductiveautomation
ignition
≤ 8.1.26

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-306

Guarantees critical functions are protected by mandatory invocation of the access control mechanism.

addresses: CWE-306

Auditing sessions makes it possible to detect access to critical functions without required authentication.

addresses: CWE-306

The assessment process confirms authentication is present and effective for critical functions, preventing exploitation from missing authentication.

addresses: CWE-306

Certification assesses that critical functions have required authentication controls in place.

addresses: CWE-306

Disabling non-essential functions and services eliminates the need to secure them, reducing exposure from missing authentication on unnecessary components.

References