CVE-2025-11482

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

Published May 26, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Br-automation
Br-automation ppt30 Operating System
Vendors & Products Br-automation
Br-automation ppt30 Operating System
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ABB
Published
Updated
May 26, 2026, 2:42 PM
Reserved
Oct 8, 2025, 7:58 AM
Status
Awaiting Analysis
Published
May 26, 2026, 2:16 PM
Modified
Jul 24, 2026, 11:10 AM