CVE-2023-32170
MEDIUMUnified Automation UaGateway < 1.5.13.487 - Denial of Service via Client Certificate Processing
Title source: llmDescription
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/
Release Notes vendor-advisory
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt
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