Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-32173Unified Automation UaGateway AddServer XML Injection Denial-of-Service Vulnerability

Medium 5.8

In plain English

A medium-severity security flaw in UaGateway from Unified Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.0)5.8Medium

Exploit odds (30 days)1.2%top 32.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Unified Automation UaGateway AddServer XML Injection 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 when the product is in its default configuration. The specific flaw exists within the implementation of the AddServer method. By specifying crafted arguments, an attacker can cause invalid characters to be inserted into an XML configuration file. An attacker can leverage this vulnerability to create a persistent denial-of-service condition on the system. . Was ZDI-CAN-20576.

Affected products (as reported)

Vendor	Product	Versions
Unified Automation	UaGateway	UaGateway 1.5.13

Weakness: CWE-91 · Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

References

ZDI-23-779 x_research-advisory
vendor-provided URL vendor-advisory