CVE-2023-32174 json
Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability
published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36442
- cvss
- 9.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- unified-automation uagateway 1.5.14.495
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Unified Automation UaGateway
- unified-automation uagateway
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
documentation.unified-automation.com
/uagateway/1.5.14/CHANGELOG.txt
vendor-advisory, release-notes
-
zerodayinitiative.com
/advisories/ZDI-23-780/
third-party-advisory
Sources
- CVE List CVE-2023-32174
- NVD CVE-2023-32174
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