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CVE-2021-3563

Estado: ModificadaAlta (7.4)—

A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity.

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 (3)

Debian — Debian LinuxOpenstack — KeystoneRedhat — Openstack Platform

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-3563",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "version": "3.1",
          "baseScore": 7.4,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.2
      }
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
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              "version": "Not-known"
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  "published": "2022-08-26T16:15:08.867",
  "references": [
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      "url": "https://access.redhat.com/security/cve/CVE-2021-3563",
      "tags": [
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  "vulnStatus": "Modified",
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      "value": "A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en openstack-keystone. Sólo son verificados los primeros 72 caracteres del secreto de una aplicación, lo que permite a atacantes omitir determinada complejidad de las contraseñas con la que pueden contar los administradores. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos."
    }
  ],
  "lastModified": "2026-06-17T04:05:21.040",
  "configurations": [
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