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CVE-2022-26855

Status: ModifiedMedium (5.5)—

Dell PowerScale OneFS, versions 8.2.x-9.3.0.x, contains an incorrect default permissions vulnerability. A local malicious user could potentially exploit this vulnerability, leading to a denial of service.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Dell — EMC Powerscale Onefs

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-26855",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "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": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "PowerScale OneFS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.2.x, 9.1.0.x, 9.2.0.x, 9.2.1.x, 9.3.0.x",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-04-08T20:15:09.973",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000197991/dell-emc-powerscale-onefs-security-update-for-multiple-component-vulnerabilities",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000197991/dell-emc-powerscale-onefs-security-update-for-multiple-component-vulnerabilities",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell PowerScale OneFS, versions 8.2.x-9.3.0.x, contains an incorrect default permissions vulnerability. A local malicious user could potentially exploit this vulnerability, leading to a denial of service."
    },
    {
      "lang": "es",
      "value": "Dell PowerScale OneFS, versiones 8.2.x-9.3.0.x, contiene una vulnerabilidad de permisos por defecto incorrectos. Un usuario local malicioso podría explotar esta vulnerabilidad, conllevando a una denegación de servicio"
    }
  ],
  "lastModified": "2026-06-17T04:35:58.410",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "71ED6363-5BA9-4402-AE0B-6278F1D40976",
              "versionEndIncluding": "9.3.0.0",
              "versionStartIncluding": "8.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}