{"id":"CVE-2025-30038","aliases":["EUVD-2025-27766","GHSA-mpgx-6896-6pg4"],"status":"published","title":"Session ID leakage in Zone.Identifier of downloaded files","description":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.","severity":{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00169,"percentile":0.06328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1230"],"published":"2025-08-27T10:20:35Z","modified":"2026-06-17T09:08:04Z","products":[{"vendor":"cgm","product":"cgm clininet"}],"references":[{"url":"https://cert.pl/en/posts/2025/08/CVE-2025-2313/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30038"},{"url":"https://cert.pl/en/posts/2025/08/CVE-2025-2313"},{"url":"https://github.com/advisories/GHSA-mpgx-6896-6pg4"}],"sources":{"cve":[{"id":"CVE-2025-30038","title":"Session ID leakage in Zone.Identifier of downloaded files","description":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.","status":"published","published":"2025-08-27T10:20:35.633Z","modified":"2025-08-27T16:11:57.191Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-1230"],"updated_at":"2026-11-02T14:32:35.418416Z"}],"euvd":[{"id":"EUVD-2025-27766","description":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.","status":"published","published":"2025-08-27T10:20:35Z","modified":"2025-08-27T16:11:57Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-02T20:31:51.67789Z"}],"ghsa":[{"id":"GHSA-mpgx-6896-6pg4","title":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET....","description":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.","status":"published","published":"2025-08-27T12:30:26Z","modified":"2025-08-27T12:30:35Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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"}],"cwes":["CWE-1230"],"updated_at":"2026-11-02T15:03:24.943278Z"}],"nvd":[{"id":"CVE-2025-30038","description":"The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.","status":"published","published":"2025-08-27T11:15:33.66Z","modified":"2026-06-17T09:08:04.94Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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"}],"cwes":["CWE-1230"],"updated_at":"2026-11-02T14:11:25.826804Z"}]}}