{"id":"CVE-2025-27451","aliases":["EUVD-2025-19848","GHSA-6gf6-3j9v-j983"],"status":"published","title":"CVE-2025-27451","description":"For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.","severity":{"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","from":"cve"},"epss":{"day":"2026-11-09","score":0.00427,"percentile":0.3725,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203","CWE-204"],"published":"2025-07-03T11:27:35Z","modified":"2026-06-17T09:03:36Z","products":[{"vendor":"endress","product":"meac300-fnade4_firmware"},{"vendor":"endress+hauser","product":"endress+hauser meac300-fnade4"}],"references":[{"url":"https://www.endress.com","tags":["x_Endress+Hauser","Product"]},{"url":"https://sick.com/psirt","tags":["x_SICK PSIRT Security Advisories","vendor-advisory","Vendor Advisory"]},{"url":"https://www.cisa.gov/resources-tools/resources/ics-recommended-practices","tags":["x_ICS-CERT recommended practices on Industrial Security","US Government Resource"]},{"url":"https://www.first.org/cvss/calculator/3.1","tags":["x_CVSS v3.1 Calculator","Not Applicable"]},{"url":"https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json","tags":["x_The canonical URL.","Vendor Advisory"]},{"url":"https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27451"},{"url":"https://github.com/advisories/GHSA-6gf6-3j9v-j983"}],"sources":{"cve":[{"id":"CVE-2025-27451","title":"CVE-2025-27451","description":"For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.","status":"published","published":"2025-07-03T11:27:35.372Z","modified":"2025-07-03T13:16:21.696Z","cvss":[{"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":"2026-11-02T14:32:42.411662Z"}],"euvd":[{"id":"EUVD-2025-19848","description":"For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.","status":"published","published":"2025-07-03T11:27:35Z","modified":"2025-07-03T13:16:21Z","cvss":[{"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"}],"updated_at":"2026-11-02T20:32:14.284181Z"}],"ghsa":[{"id":"GHSA-6gf6-3j9v-j983","title":"For failed login attempts, the application returns different error messages depending on whether...","description":"For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.","status":"published","published":"2025-07-03T12:34:58Z","modified":"2026-02-06T15:30:59Z","cvss":[{"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-203","CWE-204"],"updated_at":"2026-11-02T15:06:04.731011Z"}],"nvd":[{"id":"CVE-2025-27451","description":"For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.","status":"published","published":"2025-07-03T12:15:22.96Z","modified":"2026-06-17T09:03:36.95Z","cvss":[{"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","CWE-203"],"updated_at":"2026-11-02T14:11:15.754475Z"}]}}