CVE-2025-11482
Allocation of Resources Without Limits or Throttling in the OPC-UA Server
- State
- Published
- Severity
- 8.7 High
- Published
- May 26, 2026
- Updated
- May 26, 2026
- Reserved
- Oct 8, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | ABB |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | ABB |
Weaknesses
- CWE-770 Allocation of resources without limits or throttling
Affected Products
| Product | Versions |
|---|---|
PPT30 Operating SystemB&R Industrial Automation GmbH |
|
References
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