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CVE-2023-32174

Published: May 3, 2024Updated: Aug 8, 2025 Sources: CVE List NVD BDUCWE-416
9.1CRITICAL
NVD MITRE
EPSS Score
1.9%
Top 22.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-416

Affected Products

unified-automation
commercialaka .net based opc ua client/server sdk, opc ua c++ demo server, opc ua c\+\+ demo server
uagatewayLibrary
OSS Libraries / generic-library
Unified Automation GmbH
commercialaka unified automation .net, uagateway
UaGatewayOn-prem
ICS / OT / IoT / industrial-network
Unified Automation
commercialaka unified automation uagateway, unifiedautomation.com
UaGatewayOn-prem
ICS / OT / IoT / industrial-network

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-32174?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt
documentation.unified-automation.com
https://www.zerodayinitiative.com/advisories/ZDI-23-780/
zerodayinitiative.com
https://www.cybersecurity-help.cz/vdb/SB2023060105
cybersecurity-help.cz
and 1 more references View all →

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