What’s Vulnerable › Vulnerabilities
CVE-2025-11482: Allocation of Resources Without Limits or Throttling in the OPC-UA Server
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-26 · updated 2026-07-24
- Weakness: CWE-770
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.
Affected products
- B&R Industrial Automation GmbH PPT30 Operating System: before 1.8.0 — fixed in 1.8.0
How to fix
Upgrade to a fixed version: B&R Industrial Automation GmbH PPT30 Operating System 1.8.0. Check the vendor advisory for mitigations.
References
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