Hard-coded credentials in NEOJAPAN Inc. Denbun by NEOJAPAN Inc.
Priority MEDIUM 45CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
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 read/send mail or change the configuration.
Why it matters now
EPSS 0.01673 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NEOJAPAN Inc. | Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) | all versions | — | No fix listed | CNA |
- Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) VendorNEOJAPAN Inc. Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0680
- 2026-10-03 Alias added: GHSA-wr6g-9267-m7jv
References
More NEOJAPAN Inc. vulnerabilities
- TI-2018-00639 Memory corruption in NEOJAPAN Inc. Denbun by NEOJAPAN Inc. CVSS 3.0CRITICAL 9.8
- TI-2018-00638 Memory corruption in NEOJAPAN Inc. Denbun by NEOJAPAN Inc. CVSS 3.0CRITICAL 9.8
- TI-2018-00637 Denbun by NEOJAPAN Inc. CVSS 3.0CRITICAL 9.8
- TI-2018-00636 Hard-coded credentials in NEOJAPAN Inc. Denbun by NEOJAPAN Inc. CVSS 3.0CRITICAL 9.8
- TI-2018-00641 Unrestricted file upload in NEOJAPAN Inc. Denbun by NEOJAPAN Inc. CVSS 3.0HIGH 8.8
- TI-2018-00640 SQL injection in NEOJAPAN Inc. Denbun POP version V3.3P R4.0 and earlier CVSS 3.0HIGH 8.8
Sources
- CVE-2018-0680 · CVE Program
- CVE-2018-0680 · NVD
- FIRST EPSS
- GHSA-wr6g-9267-m7jv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences