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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| B&R Industrial Automation | PPT30 Operating System | < 1.8.0 | 1.8.0 |
Advisories 2
- ICSA-26-155-03 B&R PPT30 Operating System CISA ICS & IT advisories · Jun 4, 2026
- SA25P006 PPT30 OPC-UA Server has issues handling concurrent connections ABB PSIRT · May 26, 2026