CVE-2018-0682
Estado: ModificadaCrítica (9.8)—
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.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.76%
- Percentil entre todas las CVEs puntuadas: 77
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- NVD-CWE-noinfo
Referencias
- http://jvn.jp/en/jp/JVN00344155/index.html
- https://www.denbun.com/en/imap/support/security/181003.html
- https://www.denbun.com/en/pop/support/security/181003.html
- http://jvn.jp/en/jp/JVN00344155/index.html
- https://www.denbun.com/en/imap/support/security/181003.html
- https://www.denbun.com/en/pop/support/security/181003.html
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-0682",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "vultures@jpcert.or.jp",
"affectedData": [
{
"vendor": "NEOJAPAN Inc.",
"product": "Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier)",
"versions": [
{
"status": "affected",
"version": "Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier"
}
]
}
]
}
],
"published": "2018-11-15T15:29:00.473",
"references": [
{
"url": "http://jvn.jp/en/jp/JVN00344155/index.html",
"tags": [
"Third Party Advisory"
],
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://www.denbun.com/en/imap/support/security/181003.html",
"tags": [
"Vendor Advisory"
],
"source": "vultures@jpcert.or.jp"
},
{
"url": "https://www.denbun.com/en/pop/support/security/181003.html",
"tags": [
"Vendor Advisory"
],
"source": "vultures@jpcert.or.jp"
},
{
"url": "http://jvn.jp/en/jp/JVN00344155/index.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.denbun.com/en/imap/support/security/181003.html",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.denbun.com/en/pop/support/security/181003.html",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Denbun, de NEOJAPAN Inc. (Denbun POP en versiones V3.3P R4.0 y anteriores, Denbun IMAP en versiones V3.3I R4.0 y anteriores) no gestiona las sesiones correctamente, lo que permite que atacantes remotos lean/envíen emails o cambien la configuración mediante vectores sin especificar."
}
],
"lastModified": "2026-06-17T01:31:26.733",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:neo:debun_imap:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "11D627EC-0433-4F89-818A-AC39E2E10237",
"versionEndIncluding": "3.3i_r4.0"
},
{
"criteria": "cpe:2.3:a:neo:debun_pop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AEC73120-D8A0-4B96-A781-2843D07DB374",
"versionEndIncluding": "3.3p_r4.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "vultures@jpcert.or.jp"
}