{"id":"CVE-2025-11482","aliases":["EUVD-2025-209928","GHSA-32cv-rh96-xx2f"],"status":"published","title":"Allocation of Resources Without Limits or Throttling in the OPC-UA Server","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 \nOperating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to \npermanently prevent legitimate users from interacting with the service.","severity":{"version":"4.0","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00322,"percentile":0.25482,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-05-26T11:43:25Z","modified":"2026-07-24T11:10:00Z","products":[{"vendor":"b\u0026r industrial automation gmbh","product":"ppt30 operating system"}],"references":[{"url":"https://br-cws-assets.de-fra-1.linodeobjects.com/SA25P006-0eec719c.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11482"},{"url":"https://github.com/advisories/GHSA-32cv-rh96-xx2f"}],"sources":{"cve":[{"id":"CVE-2025-11482","title":"Allocation of Resources Without Limits or Throttling in the OPC-UA Server","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 \nOperating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to \npermanently prevent legitimate users from interacting with the service.","status":"published","published":"2026-05-26T11:43:25.557Z","modified":"2026-05-26T14:42:28.838Z","cvss":[{"version":"4.0","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","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:50.520421Z"}],"euvd":[{"id":"EUVD-2025-209928","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 \nOperating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to \npermanently prevent legitimate users from interacting with the service.","status":"published","published":"2026-05-26T11:43:25Z","modified":"2026-05-26T14:42:28Z","cvss":[{"version":"4.0","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","level":"high"}],"updated_at":"2026-11-02T18:21:06.903439Z"}],"ghsa":[{"id":"GHSA-32cv-rh96-xx2f","title":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used...","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 \nOperating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to \npermanently prevent legitimate users from interacting with the service.","status":"published","published":"2026-05-26T15:32:10Z","modified":"2026-05-26T15:32:16Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:08:18.132911Z"}],"nvd":[{"id":"CVE-2025-11482","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 \nOperating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to \npermanently prevent legitimate users from interacting with the service.","status":"published","published":"2026-05-26T14:16:26.36Z","modified":"2026-07-24T11:10:00.17Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:02.090779Z"}]}}