{"cve":"CVE-2023-31048","nvd":{"published":"2023-12-12T17:15:07.867","modified":"2026-06-17T05:56:10.950","status":"Modified","description":"The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-209"],"references":["https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-31048.pdf","https://github.com/OPCFoundation/UA-.NETStandard/releases","https://github.com/OPCFoundation/UA-.NETStandard/releases/tag/1.4.371.86","https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-31048.pdf","https://github.com/OPCFoundation/UA-.NETStandard/releases"],"products":["opcfoundation:ua-.netstandard"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-31048","score":0.00794,"percentile":0.56408,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}