{"id":"CVE-2018-0681","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-0681","generatedAt":"2026-10-28T21:22:07.529Z","title":"(Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses hard-coded credentials, which may allow remote attackers to login to the Management page and change the configuration.","description":"Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses hard-coded credentials, which may allow remote attackers to login to the Management page and change the configuration.","published":"2018-11-15T15:29:00.000Z","lastModified":"2026-06-17T01:31:27.000Z","status":"Modified","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-798"],"affected":["neo/debun imap","neo/debun pop"],"epss":{"score":0.01673,"percentile":0.76721,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://jvn.jp/en/jp/JVN00344155/index.html","tags":["Third Party Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.denbun.com/en/imap/support/security/181003.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.denbun.com/en/pop/support/security/181003.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"http://jvn.jp/en/jp/JVN00344155/index.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.denbun.com/en/imap/support/security/181003.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.denbun.com/en/pop/support/security/181003.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0681","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."}