{"id":"CVE-2025-40806","aliases":["EUVD-2025-201927","GHSA-38mg-mw32-j4p4"],"status":"published","title":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected...","description":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00473,"percentile":0.4135,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-204"],"published":"2025-12-09T10:44:25Z","modified":"2026-10-23T22:10:00Z","products":[{"vendor":"siemens","product":"gridscale x prepay"},{"vendor":"siemens","product":"gridscale_x_prepay"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-356310.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40806"},{"url":"https://github.com/advisories/GHSA-38mg-mw32-j4p4"}],"sources":{"cve":[{"id":"CVE-2025-40806","description":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2025-12-09T10:44:25.884Z","modified":"2025-12-09T16:01:14.863Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"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","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:32:34.434755Z"}],"euvd":[{"id":"EUVD-2025-201927","description":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2025-12-09T10:44:25Z","modified":"2025-12-09T16:01:14Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:49:08.049254Z"}],"ghsa":[{"id":"GHSA-38mg-mw32-j4p4","title":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected...","description":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2025-12-09T18:30:36Z","modified":"2025-12-09T18:30:43Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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":"medium"},{"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-204"],"updated_at":"2026-11-02T15:05:06.487163Z"}],"nvd":[{"id":"CVE-2025-40806","description":"A vulnerability has been identified in Gridscale X Prepay (All versions \u003c V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2025-12-09T16:17:45.653Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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":"medium","assessor":"secondary"},{"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","assessor":"secondary"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:11:49.093461Z"}]}}