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CVE-2021-22950

Estado: ModificadaMedia (6.5)—

Concrete CMS prior to 8.5.6 had a CSFR vulnerability allowing attachments to comments in the conversation section to be deleted.Credit for discovery: "Solar Security Research Team"

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)

Concretecms — Concrete CMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-22950",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
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        "impactScore": 3.6,
        "exploitabilityScore": 2.8
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  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "https://github.com/concrete5/concrete5",
          "versions": [
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              "version": "Fixed version 8.5.6"
            }
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  "published": "2021-09-23T13:15:08.887",
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      "tags": [
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      "source": "support@hackerone.com"
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
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          "lang": "en",
          "value": "CWE-352"
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      "source": "nvd@nist.gov",
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  "descriptions": [
    {
      "lang": "en",
      "value": "Concrete CMS prior to 8.5.6 had a CSFR vulnerability allowing attachments to comments in the conversation section to be deleted.Credit for discovery: \"Solar Security Research Team\""
    },
    {
      "lang": "es",
      "value": "Concrete CMS versiones anteriores a 8.5.6, presentaba una vulnerabilidad de tipo CSFR que permitía eliminar los archivos adjuntos a los comentarios en la sección de conversación. Crédito por la detección: \"Solar Security Research Team\""
    }
  ],
  "lastModified": "2026-06-17T03:38:05.667",
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    {
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  "sourceIdentifier": "support@hackerone.com"
}