CVE-2023-32171

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability

Description

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability. The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 1.35% Top 25%
Vendor Advisory unified-automation.com
Affected: Unified Automation UaGateway
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-776/
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-32171?
CVE-2023-32171 has been scored as a medium severity vulnerability.
How to fix CVE-2023-32171?
To fix CVE-2023-32171, 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-2023-32171 being actively exploited in the wild?
It is possible that CVE-2023-32171 is being exploited or will be exploited in a near future based on public information. 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-2023-32171?
CVE-2023-32171 affects Unified Automation UaGateway.
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