{
  "id": "CVE-2021-20671",
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "published": "2021-03-10T10:15:12.880",
  "lastModified": "2021-03-17T17:38:26.330",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Invalid file validation on the upload feature in GROWI versions v4.2.2 allows a remote attacker with administrative privilege to overwrite the files on the server, which may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Una comprobaci\u00f3n de archivos no v\u00e1lidos en la funcionalidad upload en GROWI  versiones v4.2.2, permite a un atacante remoto con privilegios administrativos sobrescribir los archivos en el servidor, lo que puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitraria"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "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:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:weseek:growi:4.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "353DC517-4EE8-4640-82A8-C7FC26F2E08D"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://jvn.jp/en/vu/JVNVU94889258/index.html",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}