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CVE-2016-5119

Estado: ModificadaAlta (7.5)—

La funcionalidad de actualización automática en KeePass 2.33 y versiones anteriores, permite a atacantes man-in-the-middle ejecutar código arbitrario suplantando la respuesta de comprobación de versión y suministrando una actualización manipulada.

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)

Keepass — Keepass

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-5119",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-01-23T21:59:01.657",
  "references": [
    {
      "url": "https://bogner.sh/2016/03/mitm-attack-against-keepass-2s-update-check/",
      "tags": [
        "Exploit",
        "Technical Description"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://packetstormsecurity.com/files/137274/KeePass-2-Man-In-The-Middle.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://sourceforge.net/p/keepass/discussion/329220/thread/e430cc12/",
      "tags": [
        "Patch",
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bogner.sh/2016/03/mitm-attack-against-keepass-2s-update-check/",
      "tags": [
        "Exploit",
        "Technical Description"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://packetstormsecurity.com/files/137274/KeePass-2-Man-In-The-Middle.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://sourceforge.net/p/keepass/discussion/329220/thread/e430cc12/",
      "tags": [
        "Patch",
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The automatic update feature in KeePass 2.33 and earlier allows man-in-the-middle attackers to execute arbitrary code by spoofing the version check response and supplying a crafted update."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de actualización automática en KeePass 2.33 y versiones anteriores, permite a atacantes man-in-the-middle ejecutar código arbitrario suplantando la respuesta de comprobación de versión y suministrando una actualización manipulada."
    }
  ],
  "lastModified": "2026-06-17T00:48:47.530",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:keepass:keepass:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C35ADCD5-502E-43C4-89B8-A3E112D06DDE",
              "versionEndIncluding": "2.33"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}