CVE-2023-32170

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

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 0.62%
Vendor Advisory unified-automation.com
Affected: Unified Automation UaGateway
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-775/
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-32170?
CVE-2023-32170 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32170?
To fix CVE-2023-32170, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-32170 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32170 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-32170?
CVE-2023-32170 affects Unified Automation UaGateway.
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