nvd-json-data-feeds/CVE-2021/CVE-2021-327xx/CVE-2021-32726.json

{
  "id": "CVE-2021-32726",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2021-07-12T20:15:10.037",
  "lastModified": "2022-10-25T15:33:09.360",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds."
    },
    {
      "lang": "es",
      "value": "Nextcloud Server es un paquete de Nextcloud que maneja el almacenamiento de datos. En versiones anteriores a 19.0.13, 20.011 y 21.0.3, los tokens de webauthn no fueron eliminados despu\u00e9s de borrar un usuario. Si una v\u00edctima reusaba un nombre de usuario usado anteriormente, el usuario anterior pod\u00eda conseguir acceso a su cuenta. El problema fue corregido en versiones 19.0.13, 20.0.11 y 21.0.3. No hay soluciones conocidas"
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      },
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        "source": "security-advisories@github.com",
        "type": "Secondary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security-advisories@github.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-708"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "19.0.13",
              "matchCriteriaId": "7D4E2A1A-C03E-4B91-87B6-6A8652B284F7"
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  "references": [
    {
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/nextcloud/server/pull/27532",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://hackerone.com/reports/1202590",
      "source": "security-advisories@github.com",
      "tags": [
        "Permissions Required"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202208-17",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}