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CVE-2021-26113

Estado: ModificadaAlta (7.5)—

A use of a one-way hash with a predictable salt vulnerability [CWE-760] in FortiWAN before 4.5.9 may allow an attacker who has previously come in possession of the password file to potentially guess passwords therein stored.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-26113",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-26113",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-22T20:19:38.061338Z"
        }
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    ],
    "cvssMetricV2": [
      {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
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          "vendor": "Fortinet",
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            }
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  ],
  "published": "2022-04-06T16:15:07.917",
  "references": [
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      "url": "https://fortiguard.com/psirt/FG-IR-21-064",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
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          "lang": "en",
          "value": "CWE-916"
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      "value": "A use of a one-way hash with a predictable salt vulnerability [CWE-760] in FortiWAN before 4.5.9 may allow an attacker who has previously come in possession of the password file to potentially guess passwords therein stored."
    },
    {
      "lang": "es",
      "value": "El uso de un hash unidireccional con una vulnerabilidad salt predecible [CWE-760] en FortiWAN versiones anteriores a 4.5.9, puede permitir a un atacante que haya entrado previamente en posesión del archivo de contraseñas adivinar potencialmente las contraseñas allí almacenadas"
    }
  ],
  "lastModified": "2026-06-17T03:42:53.083",
  "configurations": [
    {
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          "cpeMatch": [
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}