{
  "id": "CVE-2021-36396",
  "sourceIdentifier": "patrick@puiterwijk.org",
  "published": "2023-03-06T21:15:10.577",
  "lastModified": "2025-03-05T16:15:35.433",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Moodle, insufficient redirect handling made it possible to blindly bypass cURL blocked hosts/allowed ports restrictions, resulting in a blind SSRF risk."
    }
  ],
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        "type": "Primary",
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
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          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
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        "exploitabilityScore": 3.9,
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  "weaknesses": [
    {
      "source": "patrick@puiterwijk.org",
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          "value": "CWE-918"
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "https://moodle.org/mod/forum/discuss.php?d=424802",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
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    {
      "url": "https://moodle.org/mod/forum/discuss.php?d=424802",
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}