« Volver al listado

CVE-2021-21506

Estado: ModificadaAlta (8.8)—

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges 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)

Mostrar
{
  "id": "CVE-2021-21506",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "cvssData": {
          "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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "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": "2021-03-08T22:15:13.970",
  "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": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges 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 su controlador de API. Un usuario sin autorización con privilegios ISI_PRIV_SYS_SUPPORT e ISI_PRIV_LOGIN_PAPI podría explotar esta vulnerabilidad, conllevando una posible escalada de privilegios"
    }
  ],
  "lastModified": "2026-06-17T03:35:41.633",
  "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"
}