How severe is CVE-2023-38123?

CVE-2023-38123 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-38123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38123?

CVE-2023-38123 affects Inductiveautomation Ignition. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38123?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-38123 have an EU (EUVD) identifier?

Yes. CVE-2023-38123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41949.

When was CVE-2023-38123 published?

CVE-2023-38123 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-38123

CVE-2023-38123 is a high-severity vulnerability in Inductiveautomation Ignition with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-41949
Weakness: CWE-306
Affected product: Inductiveautomation Ignition
Published: 2024-05-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-38123?: CVE-2023-38123 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-38123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38123?: CVE-2023-38123 affects Inductiveautomation Ignition. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-38123 have an EU (EUVD) identifier?: Yes. CVE-2023-38123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41949.
When was CVE-2023-38123 published?: CVE-2023-38123 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:inductiveautomation:ignition:*:*:*:*:*:*:*:*

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