TI-2023-15473 Aliases CVE-2023-32170 GHSA-c297-7j33-x4q3

Improper input validation in Unified Automation UaGateway

MEDIUM 62CWE-20Published 2024-05-03 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

Summary

Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate. The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00588 48th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unified Automation	UaGateway	1.5.12.482	—	No fix listed	CNA

UaGateway VendorUnified Automation Affected 1.5.12.482 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:unified-automation:uagateway::::::::	before 1.5.13.487	Vulnerable	Unified Automation

cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:* Versions before 1.5.13.487 Vulnerable ·Unified Automation

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2024-05-03
Unified Automation UaGateway — vendor-provided URL
5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2023-15477 Use after free in Unified Automation UaGatewayPriority MEDIUM 45
- TI-2023-15475 Use after free in Unified Automation UaGatewayPriority LOW 32
- TI-2023-15474 NULL pointer dereference in Unified Automation UaGatewayPriority LOW 32
Show all 5 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-32170
2026-10-03 Alias added: GHSA-c297-7j33-x4q3

References

Advisory 2

TI-2023-15477 Use after free in Unified Automation UaGateway CVSS 3.0CRITICAL 9.1
TI-2023-21794 Integer overflow in Unified Automation UaGateway CVSS 3.1HIGH 7.5
TI-2023-15475 Use after free in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
TI-2023-15474 NULL pointer dereference in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
TI-2023-15476 XML injection in Unified Automation UaGateway CVSS 3.0MEDIUM 5.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences