CVE-2023-32170

MEDIUM

Unified Automation UaGateway < 1.5.13.487 - Denial of Service via Client Certificate Processing

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-775/

Scores

CVSS v3 6.5
EPSS 0.0059
EPSS Percentile 43.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (1)
unified-automation/uagateway < 1.5.13.487
Published May 03, 2024
Tracked Since Feb 18, 2026