FKIE_CVE-2021-21595

Vulnerability from fkie_nvd - Published: 2021-08-16 22:15 - Updated: 2026-06-17 03:35
Severity
6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x contain an improper neutralization of special elements used in an OS command. This vulnerability could allow the compadmin user to elevate privileges. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity.
References
security_alert@emc.comhttps://www.dell.com/support/kbdoc/000190408Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.dell.com/support/kbdoc/000190408Patch, Vendor Advisory
Impacted products
Vendor Product Version
dell emc_powerscale_onefs *
dell emc_powerscale_onefs 8.2.2
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PowerScale OneFS",
          "vendor": "Dell",
          "versions": [
            {
              "status": "affected",
              "version": "8.2.x - 9.1.1.x"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3FA1981C-C851-4154-B0DC-E4D0C8FF719C",
              "versionEndExcluding": "9.2.0",
              "versionStartIncluding": "9.0.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "FF89B320-6D5A-4E46-A1FA-FCDB31F325C4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x contain an improper neutralization of special elements used in an OS command. This vulnerability could allow the compadmin user to elevate privileges. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity."
    },
    {
      "lang": "es",
      "value": "Dell EMC PowerScale OneFS versiones 8.2.x - 9.1.1.x, contienen una neutralizaci\u00f3n inapropiada de los elementos especiales usados en un comando del Sistema Operativo. Esta vulnerabilidad podr\u00eda permitir al usuario compadmin elevar sus privilegios. Esto s\u00f3lo afecta a los cl\u00fasteres en modo de cumplimiento Smartlock WORM como una vulnerabilidad cr\u00edtica y Dell recomienda actualizar/mejorar a la mayor brevedad posible."
    }
  ],
  "id": "CVE-2021-21595",
  "lastModified": "2026-06-17T03:35:50.623",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.2,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-16T22:15:07.490",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/kbdoc/000190408"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/kbdoc/000190408"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "security_alert@emc.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.