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CVE-2023-32170

6.5 · MEDIUM

Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability.

Published May 3, 2024CWE-20EPSS 0.59%

Overview

CVE-2023-32170 is a medium-severity vulnerability. It was published on May 3, 2024 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocumentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRefwww.zerodayinitiative.com/advisories/ZDI-23-775/Refdocumentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRefwww.zerodayinitiative.com/advisories/ZDI-23-775/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-32170?

CVE-2023-32170 is a medium-severity vulnerability. It was published on May 3, 2024 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2023-32170?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-32170?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-32170?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-32170 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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