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CVE-2021-23014

Estado: ModificadaAlta (8.8)—

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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)

F5 — Big-ip Advanced WEB Application FirewallF5 — Big-ip Application Security Manager

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-23014",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.8
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  "affected": [
    {
      "source": "f5sirt@f5.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "BIG-IP ASM/Advanced WAF",
          "versions": [
            {
              "status": "affected",
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  "published": "2021-05-10T15:15:07.457",
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      "url": "https://support.f5.com/csp/article/K23203045",
      "tags": [
        "Vendor Advisory"
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      "source": "f5sirt@f5.com"
    },
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      "url": "https://support.f5.com/csp/article/K23203045",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-862"
        }
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  ],
  "descriptions": [
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      "value": "On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
    },
    {
      "lang": "es",
      "value": "En las versiones 16.0.x anteriores a 16.0.1.1, versiones 15.1.x anteriores a 15.1.3 y 14.1.x anteriores a 14.1.4, BIG-IP Advanced WAF y ASM están carentes de comprobaciones de autorización para la carga de archivos en un directorio específico dentro de la API REST que podría permitir que los usuarios autenticados con privilegios de invitado carguen archivos. Nota: No se evalúan las versiones de software que hayan alcanzado el End of Technical Support (EoTS)"
    }
  ],
  "lastModified": "2026-06-17T03:38:12.810",
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              "versionEndExcluding": "14.1.4",
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  "sourceIdentifier": "f5sirt@f5.com"
}