{"id":"CVE-2025-41064","aliases":["EUVD-2025-32666","GHSA-g499-c2w5-hrjq"],"status":"published","title":"Incorrect authentication in GTT´s group OpenSIAC","description":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00355,"percentile":0.29634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2025-10-02T11:20:17Z","modified":"2026-10-12T15:10:00Z","products":[{"vendor":"gtt","product":"opensiac"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-authentication-gtts-group-opensiac"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41064"},{"url":"https://github.com/advisories/GHSA-g499-c2w5-hrjq"}],"sources":{"cve":[{"id":"CVE-2025-41064","title":"Incorrect authentication in GTT´s group OpenSIAC","description":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.","status":"published","published":"2025-10-02T11:20:17.093Z","modified":"2025-10-02T15:52:53.228Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-32666","description":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.","status":"published","published":"2025-10-02T11:20:17Z","modified":"2025-10-02T15:52:53Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T20:31:37.123578Z"}],"ghsa":[{"id":"GHSA-g499-c2w5-hrjq","title":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate...","description":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.","status":"published","published":"2025-10-02T12:31:06Z","modified":"2025-10-02T12:31:14Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:03:50.19975Z"}],"nvd":[{"id":"CVE-2025-41064","description":"Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.","status":"published","published":"2025-10-02T12:15:29.05Z","modified":"2026-10-12T15:10:00.207Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:11:34.090044Z"}]}}