CVE-2023-32171

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductUnified-automation Uagateway

PublishedMay 3, 2024

First seenMay 3, 2024

Weakness typeCWE-476NULL pointer dereference

How to fix

Update

unified-automation uagateway1.5.13.487 or later

Vendor advisories

documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt

Affected products

Product	Affected versions	Fixed in
unified-automation uagateway	v < 1.5.13.487	1.5.13.487

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.