{
  "id": "CVE-2021-20850",
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "published": "2021-11-24T16:15:13.483",
  "lastModified": "2021-11-29T17:16:24.063",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "La API XMLRPC de PowerCMS versiones 5.19 y anteriores, PowerCMS versiones 4.49 y anteriores, PowerCMS versiones 3.295 y anteriores, y PowerCMS 2 Series (End-of-Life, EOL) permite a un atacante remoto ejecutar un comando arbitrario del sistema operativo por medio de vectores no especificados"
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "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
      }
    ],
    "cvssMetricV2": [
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        "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": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:*",
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              "versionEndIncluding": "2.058",
              "matchCriteriaId": "C0568535-6E14-41A2-9748-BC042AD582CC"
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  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN17645965/index.html",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.powercms.jp/news/release-patch-xmlrpc-api-202110.html",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Patch",
        "Vendor Advisory"
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    }
  ]
}