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CVE-2021-21503

Estado: ModificadaAlta (7.8)—

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. The Compadmin user could potentially exploit this vulnerability, leading to potential privileges escalation.

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-2021-21503",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "PowerScale OneFS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.1.2, 8.2.2,9.1.0.x,EMPIRE (9.2.0), GOTHAM",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-08T22:15:13.783",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/000183717",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/000183717",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. The Compadmin user could potentially exploit this vulnerability, leading to potential privileges escalation."
    },
    {
      "lang": "es",
      "value": "PowerScale OneFS versiones 8.1.2, 8.2.2 y 9.1.0, contiene un problema de saneamiento de entrada inapropiado en un comando. El usuario de Compadmin podría aprovechar esta vulnerabilidad, conllevando a una posible escalada de privilegios"
    }
  ],
  "lastModified": "2026-06-17T03:35:41.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "575793FB-6E18-4A7F-B689-EA4FB7904DFE"
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FF89B320-6D5A-4E46-A1FA-FCDB31F325C4"
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:9.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E08AB5B6-818B-4666-8DF8-32030BBE06A1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}