« Volver al listado

CVE-2020-26191

Estado: ModificadaAlta (7.8)—

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain a privilege escalation vulnerability. A user with ISI_PRIV_JOB_ENGINE may use the PermissionRepair job to grant themselves the highest level of RBAC privileges thus being able to read arbitrary data, tamper with system software or deny service to users.

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-2020-26191",
  "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+",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-09T22:15:13.027",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000182873/dsa-2021-009-dell-powerscale-onefs-security-update-for-multiple-vulnerabilities",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000182873/dsa-2021-009-dell-powerscale-onefs-security-update-for-multiple-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-269"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain a privilege escalation vulnerability. A user with ISI_PRIV_JOB_ENGINE may use the PermissionRepair job to grant themselves the highest level of RBAC privileges thus being able to read arbitrary data, tamper with system software or deny service to users."
    },
    {
      "lang": "es",
      "value": "Dell EMC PowerScale OneFS versiones 8.1.0 - 9.1.0, contienen una vulnerabilidad de escalada de privilegios. Un usuario con ISI_PRIV_JOB_ENGINE puede usar el trabajo PermissionRepair para otorgarse el nivel más alto de privilegios RBAC y así poder leer datos arbitrarios, alterar el software del sistema o denegar el servicio a los usuarios"
    }
  ],
  "lastModified": "2026-06-17T03:07:47.983",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4671F67B-730F-4FB4-A75E-0ED22501863B"
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E104E616-5403-40ED-BB02-185B3B872469"
            },
            {
              "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:8.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B64FFA7E-C401-4755-A269-A59E225BCB8F"
            },
            {
              "criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B02079AB-D410-4CD2-8E70-BCFEAB5DEFA0"
            },
            {
              "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:9.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5422D856-00B1-47FA-8D62-9B464A43BAC9"
            },
            {
              "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"
}