CVE-2021-21285

Estado: ModificadaMedia (6.5)—
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Puntuación base: 6.5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.29%
Percentil entre todas las CVEs puntuadas: 88
Fecha de la puntuación: 6/10/2026
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 (3)

Debian — Debian Linux Docker — Docker Netapp — E-series Santricity OS Controller
CWE

CWE-400
CWE-754
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21285",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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      "lang": "en",
      "value": "In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing."
    },
    {
      "lang": "es",
      "value": "En Docker versiones anteriores a 9.03.15, 20.10.3, se presenta una vulnerabilidad en la que al extraer un manifiesto de imagen de Docker malformado intencionalmente, bloquea al demonio dockerd.&#xa0;Las versiones 20.10.3 y 19.03.15 contienen parches que impiden al demonio bloquearse"
    }
  ],
  "lastModified": "2026-06-17T03:35:11.753",
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