TI-2023-21794 Aliases CVE-2023-41185 GHSA-m824-jj6g-vm4f

Integer overflow in Unified Automation UaGateway

MEDIUM 40CWE-190Published 2024-05-03 · Updated 2024-08-02

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

Unified Automation UaGateway Certificate Parsing Integer Overflow 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 not required to exploit this vulnerability. The specific flaw exists within the processing of client certificates. When parsing the certificate length field, the process does not properly validate user-supplied data, which can result in an integer overflow. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20353.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00812 57th 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: None
Automatable: Yes
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	—	No fix listed	CNA

UaGateway VendorUnified Automation Affected 1.5.12 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.

Timeline

2026-10-02 Threatist record created from CVE-2023-41185
2026-10-03 Alias added: GHSA-m824-jj6g-vm4f

References

Advisory 1

ZDI-23-1286

TI-2023-15473 Improper input validation in Unified Automation UaGateway CVSS 3.0MEDIUM 6.5
TI-2023-15477 Use after free in Unified Automation UaGateway CVSS 3.0CRITICAL 9.1
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