CVE-2018-0683

critical

Description

Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via Cookie data.

References

https://www.denbun.com/en/pop/support/security/181003.html

https://www.denbun.com/en/imap/support/security/181003.html

http://jvn.jp/en/jp/JVN00344155/index.html

Details

Source: Mitre, NVD

Published: 2018-11-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.06741

Detections

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