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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
B&R Industrial Automation GmbH PPT30 Operating System unaffected
Version Status Constraints
0 affected < 1.8.0

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://br-cws-assets.de-fra-1.linodeobjects.com/SA25P006-0eec719c.pdf cve-icon cve-icon
History

Tue, 26 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 26 May 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title Allocation of Resources Without Limits or Throttling in the OPC-UA Server
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ABB

Published:

Updated: 2026-05-26T14:42:28.838Z

Reserved: 2025-10-08T07:58:16.234Z

Link: CVE-2025-11482

cve-icon Vulnrichment

Updated: 2026-05-26T14:42:24.326Z

cve-icon NVD

Status : Received

Published: 2026-05-26T14:16:26.360

Modified: 2026-05-26T14:16:26.360

Link: CVE-2025-11482

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-26T15:15:08Z

Weaknesses