CVE-2018-0682
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4...
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does not properly manage sessions, which allows remote attackers to read/send mail or change the configuration via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does not properly manage sessions, which allows remote attackers to read/send mail or change the configuration via unspecified vectors.
- Record
CVE-2018-0682- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does not properly manage sessions, which allows remote attackers to read/send mail or change the configuration via unspecified vectors.
- Record
CVE-2018-0682- Updated
- 2026-11-02
EUVDEUVD-2018-1492 No score
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does not properly manage sessions, which allows remote attackers to read/send mail or change the configuration via unspecified vectors.
- Record
EUVD-2018-1492- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qc9x-2m26-6c5h
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4...
Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does not properly manage sessions, which allows remote attackers to read/send mail or change the configuration via unspecified vectors.
- Record
GHSA-qc9x-2m26-6c5h- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-0682 is a critical vulnerability (CVSS 9.8) in Neojapan Inc. Denbun By Neojapan Inc. (denbun Pop Version V3.3p R4.0 And Earlier, Denbun Imap Version V3.3i R4.0 And Earlier), published November 15, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.76%, the 78th percentile. No source names a fixed version.