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CVE-2019-12943

Estado: ModificadaAlta (8.1)—

Los dispositivos TTLock no restringen apropiadamente los intentos de restablecimiento de contraseña, lo que conlleva a un control de acceso incorrecto y a la divulgación de información confidencial sobre nombres de cuenta válidos.

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)

Ttlock — Ttlock

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-12943",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-09-10T21:15:12.470",
  "references": [
    {
      "url": "https://www.kth.se/polopoly_fs/1.923564.1568098316%21/Vulnerability_Report_TTLock_Password_Reset.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.kth.se/polopoly_fs/1.923564.1568098316%21/Vulnerability_Report_TTLock_Password_Reset.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-640"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TTLock devices do not properly restrict password-reset attempts, leading to incorrect access control and disclosure of sensitive information about valid account names."
    },
    {
      "lang": "es",
      "value": "Los dispositivos TTLock no restringen apropiadamente los intentos de restablecimiento de contraseña, lo que conlleva a un control de acceso incorrecto y a la divulgación de información confidencial sobre nombres de cuenta válidos."
    }
  ],
  "lastModified": "2026-06-17T02:15:46.270",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ttlock:ttlock:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "973B798A-C6F7-4BBC-9E65-F02F08913D6D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}