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CVE-2018-0682

Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4...

9.8 Critical

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.

What does this mean?
Severity
9.8 CriticalCVSS 3.0, NVD
Exploit chance
1.76%EPSS, 78th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

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

1.76%Up 0.7 points since Apr 14, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used9.8

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 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE ListNo 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-2018-1492No 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-2m26-6c5h9.8

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 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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