CVE-2023-32170

Name: CVE-2023-32170
Creator: NVD / NIST
Published: 2024-05-03T02:15:22.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.59%

Last modified Jun 17, 2026

CVE-2023-32170 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.59%

43.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Unified-Automation	Uagateway	< 1.5.13.487

References

https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory

Timeline

Published: May 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-32170?

How severe is CVE-2023-32170?

Severity scoring for CVE-2023-32170 is pending analysis. The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32170?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32170?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST