{"id":"CVE-2025-27451","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-27451","generatedAt":"2026-10-27T23:58:48.726Z","title":"This allows an attacker to guess usernames until they find an existing one.","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.","published":"2025-07-03T12:15:23.000Z","lastModified":"2026-06-17T09:03:37.000Z","status":"Analyzed","sourceIdentifier":"psirt@sick.de","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-204","CWE-203"],"affected":["endress/meac300-fnade4 firmware"],"epss":{"score":0.00427,"percentile":0.36731,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://sick.com/psirt","tags":["Vendor Advisory"],"source":"psirt@sick.de"},{"url":"https://sick.com/psirt","tags":["Vendor Advisory"],"source":"psirt@sick.de"},{"url":"https://sick.com/psirt","tags":["Vendor Advisory"],"source":"psirt@sick.de"},{"url":"https://sick.com/psirt","tags":["Vendor Advisory"],"source":"psirt@sick.de"},{"url":"https://www.cisa.gov/resources-tools/resources/ics-recommended-practices","tags":["US Government Resource"],"source":"psirt@sick.de"},{"url":"https://www.endress.com","tags":["Product"],"source":"psirt@sick.de"},{"url":"https://www.first.org/cvss/calculator/3.1","tags":["Not Applicable"],"source":"psirt@sick.de"},{"url":"https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json","tags":["Vendor Advisory"],"source":"psirt@sick.de"},{"url":"https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf","tags":["Vendor Advisory"],"source":"psirt@sick.de"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-27451","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}