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TI-2018-00641 Aliases CVE-2018-0686GHSA-pm8w-gmc4-2w2j

Unrestricted file upload in NEOJAPAN Inc. Denbun by NEOJAPAN Inc.

Priority MEDIUM 41CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-434.

Summary

Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote authenticated attackers to upload and execute any executable files via unspecified vectors.

Why it matters now

EPSS 0.01496 74th 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

VendorProductAffected versionsFixed inStatusSource
NEOJAPAN Inc.Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier)Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier—No fix listedCNA
  • 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 Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:neo:debun_imap:*:*:*:*:*:*:*:*up to 3.3i_r4.0VulnerableNeo
cpe:2.3:a:neo:debun_pop:*:*:*:*:*:*:*:*up to 3.3p_r4.0VulnerableNeo
  • cpe:2.3:a:neo:debun_imap:*:*:*:*:*:*:*:* Versions up to 3.3i_r4.0 Vulnerable ·Neo
  • cpe:2.3:a:neo:debun_pop:*:*:*:*:*:*:*:* Versions up to 3.3p_r4.0 Vulnerable ·Neo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0686
  2. 2026-10-03 Alias added: GHSA-pm8w-gmc4-2w2j

References

Advisory 3

  • 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-2018-00635 Hard-coded credentials in NEOJAPAN Inc. Denbun by NEOJAPAN Inc. CVSS 3.0CRITICAL 9.8
  • TI-2018-00640 SQL injection in NEOJAPAN Inc. Denbun POP version V3.3P R4.0 and earlier CVSS 3.0HIGH 8.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences