What’s Vulnerable › Vulnerabilities

CVE-2018-0681

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-11-15 · updated 2026-06-17
• Weakness: CWE-798

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.

Affected products

• Neo Debun Imap: through 3.3i_r4.0
• NEOJAPAN Inc. Denbun POP version V3.3P R4.0 and earlier: through 3.3p_r4.0

References

• http://jvn.jp/en/jp/JVN00344155/index.html
• https://www.denbun.com/en/imap/support/security/181003.html
• https://www.denbun.com/en/pop/support/security/181003.html
• http://jvn.jp/en/jp/JVN00344155/index.html
• https://www.denbun.com/en/imap/support/security/181003.html
• https://www.denbun.com/en/pop/support/security/181003.html

Get alerted when CVE-2018-0681 or the next vulnerability affects your stack