{"id":"CVE-2022-33916","aliases":["EUVD-2022-6590","GHSA-mw9h-hcp7-fgc6"],"status":"published","title":"Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01432,"percentile":0.73237,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2022-08-23T00:34:00Z","modified":"2026-06-17T04:49:29Z","fixes":[{"ecosystem":"NuGet","package":"OPCFoundation.NetStandard.Opc.Ua.Server","fixed_in":["1.4.370.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"OPCFoundation.NetStandard.Opc.Ua.Server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.370.9"}]}]},{"source":"osv","ecosystem":"NuGet","package":"OPCFoundation.NetStandard.Opc.Ua.Server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.370.9"}]}],"versions":["1.4.363.104-preview","1.4.363.107","1.4.364.40","1.4.365-gfc341ee8c5","1.4.365.1-preview","1.4.365.10","1.4.365.2","1.4.365.23","1.4.365.48","1.4.366.31-preview","1.4.366.38","1.4.367.100","1.4.367.39","1.4.367.41","1.4.367.42","1.4.367.64-preview","1.4.367.75","1.4.367.95","1.4.368.27-preview","1.4.368.33","1.4.368.52-preview","1.4.368.53","1.4.368.58","1.4.369.30","1.4.370.1"]}],"products":[{"vendor":"opcfoundation","product":"ua_.net_standard_stack"}],"references":[{"url":"https://opcfoundation.org","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-33916.pdf","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-33916","tags":["advisory"]},{"url":"https://github.com/OPCFoundation/UA-.NETStandard/commit/313aa2a2499d8690cf719a67176e131517bb8b78","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mw9h-hcp7-fgc6"},{"url":"https://github.com/OPCFoundation/UA-.NETStandard","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-33916","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","status":"published","published":"2022-08-23T00:34:00Z","modified":"2024-08-03T08:09:22.714Z","updated_at":"2026-11-02T14:34:40.621895Z"}],"euvd":[{"id":"EUVD-2022-6590","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","status":"published","published":"2022-08-23T00:34:00Z","modified":"2024-08-03T08:09:22Z","updated_at":"2026-11-03T03:25:29.68115Z"}],"ghsa":[{"id":"GHSA-mw9h-hcp7-fgc6","title":"Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","status":"published","published":"2022-08-24T00:00:32Z","modified":"2023-01-30T05:01:40Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:36:27.500048Z"}],"nvd":[{"id":"CVE-2022-33916","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","status":"published","published":"2022-08-23T01:15:07.71Z","modified":"2026-06-17T04:49:29.04Z","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","assessor":"primary"}],"updated_at":"2026-11-02T14:07:25.883929Z"}],"osv":[{"id":"GHSA-mw9h-hcp7-fgc6","title":"Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server","description":"OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.","status":"published","published":"2022-08-24T00:00:32Z","modified":"2023-11-08T04:09:40.944298Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}