CVE-2025-11482

HIGH

Allocation of Resources Without Limits or Throttling in the OPC-UA Server

Title source: cna

Description

An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.

References (1)

Core 1

Core References

https://br-cws-assets.de-fra-1.linodeobjects.com/SA25P006-0eec719c.pdf

Scores

CVSS v3 7.5

EPSS 0.0029

EPSS Percentile 20.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (1)

B&R Industrial Automation GmbH/PPT30 Operating System < 1.8.0

Published May 26, 2026

Tracked Since May 26, 2026