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CVE-2023-32171

Published: May 3, 2024Updated: Aug 8, 2025 Sources: CVE List NVD BDUCWE-476
6.5MEDIUM
NVD MITRE
EPSS Score
1.4%
Top 31.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability. The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-476

Affected Products

unified-automation
commercialaka opc ua c\+\+ demo server, .net based opc ua client/server sdk, 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

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Impact
Initial Access
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-23-776/
zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-23-776/
zerodayinitiative.com
and 2 more references View all →

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