{"id":"CVE-2023-31048","aliases":["GHSA-4cvp-hr63-822j"],"url":"https://o3.security/vulnerability/CVE-2023-31048","summary":"Exposure of Sensitive Information in OPC UA .NET Standard Reference Server","details":"The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely.","published":"2023-12-12T00:00:00Z","modified":"2026-07-15T01:48:55.214422550Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"OPCFoundation.NetStandard.Opc.Ua.Core","fixedVersion":"1.4.371.86"},{"ecosystem":"NuGet","name":"OPCFoundation.NetStandard.Opc.Ua.Server","fixedVersion":"1.4.371.86"}],"fix":null,"references":[{"type":"WEB","url":"https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-31048.pdf"},{"type":"WEB","url":"https://github.com/OPCFoundation/UA-.NETStandard/releases/tag/1.4.371.86"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31048.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31048"},{"type":"PACKAGE","url":"https://github.com/OPCFoundation/UA-.NETStandard/releases"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:55.214422550Z"}}