How severe is CVE-2023-32174?

CVE-2023-32174 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-32174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32174?

CVE-2023-32174 affects Unified-automation Uagateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32174?

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

Does CVE-2023-32174 have an EU (EUVD) identifier?

Yes. CVE-2023-32174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36442.

When was CVE-2023-32174 published?

CVE-2023-32174 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-32174

CVE-2023-32174 is a critical-severity vulnerability in Unified-automation Uagateway with a CVSS 3.x base score of 9.1. 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-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36442
Weakness: CWE-416
Affected product: Unified-automation Uagateway
Published: 2024-05-03
Last modified: 2026-06-17

Description

Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability when the product is in its default configuration. The specific flaw exists within the handling of NodeManagerOpcUa objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-20577.

Frequently asked questions

What is CVE-2023-32174?: Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability when the product is in its default configuration. The specific flaw exists within the handling of NodeManagerOpcUa objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-20577.
How severe is CVE-2023-32174?: CVE-2023-32174 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-32174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32174?: CVE-2023-32174 affects Unified-automation Uagateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32174?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-32174 have an EU (EUVD) identifier?: Yes. CVE-2023-32174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36442.
When was CVE-2023-32174 published?: CVE-2023-32174 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:*

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