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CVE-2021-21592

Estado: ModificadaMedia (6.5)—

Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x improperly handle an exceptional condition. A remote low privileged user could potentially exploit this vulnerability, leading to unauthorized information disclosure.

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)

Dell — EMC Powerscale Onefs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-21592",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.1,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.6
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "PowerScale OneFS",
          "versions": [
            {
              "status": "affected",
              "version": "8.2.x - 9.2.x"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-16T22:15:07.257",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/000190408",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/000190408",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x improperly handle an exceptional condition. A remote low privileged user could potentially exploit this vulnerability, leading to unauthorized information disclosure."
    },
    {
      "lang": "es",
      "value": "Dell EMC PowerScale OneFS versiones 8.2.x - 9.2.x,  manejan inapropiadamente una condición excepcional. Un usuario remoto poco privilegiado podría explotar potencialmente esta vulnerabilidad, conllevando a una divulgación de información no autorizada."
    }
  ],
  "lastModified": "2026-06-17T03:35:50.410",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "195BDF2F-DB13-429F-94E8-532219297EDA",
              "versionEndIncluding": "9.2.0",
              "versionStartIncluding": "9.0.0.0"
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FF89B320-6D5A-4E46-A1FA-FCDB31F325C4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}