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CVE-2018-10355

Estado: ModificadaAlta (7)—

An authentication weakness vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to recover user passwords on vulnerable installations due to a flaw in the DBCrypto class. An attacker must first obtain access to the user database on the target system in order to exploit this vulnerability.

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 (1)

Trendmicro — Email Encryption Gateway

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-10355",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 1.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "security@trendmicro.com",
      "affectedData": [
        {
          "vendor": "Trend Micro",
          "product": "Trend Micro Email Encryption Gateway",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            }
          ]
        }
      ]
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  ],
  "published": "2018-05-23T16:29:00.427",
  "references": [
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@trendmicro.com"
    },
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-18-411/",
      "tags": [
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      "source": "security@trendmicro.com"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "tags": [
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        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authentication weakness vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to recover user passwords on vulnerable installations due to a flaw in the DBCrypto class. An attacker must first obtain access to the user database on the target system in order to exploit this vulnerability."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de debilidad en la autenticación en Trend Micro Email Encryption Gateway 5.5 podría permitir que un atacante recupere cuentas de usuario en instalaciones vulnerables debido a un error en la clase DBCrypto. En primer lugar, un atacante debe obtener acceso a la base de datos del usuario en el sistema objetivo para explotar esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T01:33:53.577",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "matchCriteriaId": "9ED99D43-6F21-4944-8951-0879AB60E6BC",
              "versionEndIncluding": "5.5"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "security@trendmicro.com"
}