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CVE-2018-0680

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) uses hard-coded credentials, which may allow remote attackers to read/send mail or change the configuration.

CVSS

Probabilidad de explotación (EPSS)

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)

NEO — Debun ImapNEO — Debun POP

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-0680",
  "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": "unspecified"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-15T15:29:00.350",
  "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": "CWE-798"
        }
      ]
    }
  ],
  "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) uses hard-coded credentials, which may allow remote attackers to read/send mail or change the configuration."
    },
    {
      "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) emplea credenciales embebidas, lo que podría permitir que atacantes remotos lean/envíen emails o cambien la configuración."
    }
  ],
  "lastModified": "2026-06-17T01:31:26.493",
  "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"
}