{"id":"CVE-2023-26150","aliases":["EUVD-2023-0047","GHSA-2894-qcqf-g23g","PYSEC-2023-189","UBUNTU-CVE-2023-26150"],"status":"published","title":"asyncua Improper Authentication vulnerability","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active 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Party Advisory","web","evidence","fix","report"]},{"url":"https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121","tags":["x_transferred","Exploit","Third Party Advisory","web","evidence","report"]},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/issues/1014","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web","evidence"]},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/pull/1015","tags":["x_transferred","Patch","fix","web","report"]},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a","tags":["x_transferred","Patch","fix","web","report"]},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96","tags":["x_transferred","Product","Release 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authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T05:00:02.176Z","modified":"2024-09-20T14:15:27.187Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:15.434947Z"}],"euvd":[{"id":"EUVD-2023-0047","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T05:00:02Z","modified":"2024-09-20T14:15:27Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P","level":"medium"}],"updated_at":"2026-11-03T00:28:17.874342Z"}],"ghsa":[{"id":"GHSA-2894-qcqf-g23g","title":"asyncua Improper Authentication vulnerability","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\n\n**Note:**\n\nThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T06:30:26Z","modified":"2023-11-08T05:02:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:16.721714Z"}],"nvd":[{"id":"CVE-2023-26150","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T05:15:49.963Z","modified":"2026-06-17T05:42:47.39Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:08:35.022405Z"}],"osv":[{"id":"CVE-2023-26150","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T05:00:02.176Z","modified":"2026-11-11T10:30:41.248848857Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-11T02:50:43.46164Z"},{"id":"GHSA-2894-qcqf-g23g","title":"asyncua Improper Authentication vulnerability","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\n\n**Note:**\n\nThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T06:30:26Z","modified":"2024-02-16T08:07:34.917892Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:33.956911Z"},{"id":"PYSEC-2023-189","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","status":"published","published":"2023-10-03T05:15:00Z","modified":"2026-06-10T17:00:49.485409044Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:52:53.837392Z"},{"id":"UBUNTU-CVE-2023-26150","description":"Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.  **Note:**  This issue is a result of missing checks for services that require an active 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