{
  "id": "CVE-2021-3663",
  "sourceIdentifier": "security@huntr.dev",
  "published": "2021-07-25T14:15:08.317",
  "lastModified": "2021-08-04T17:14:11.133",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts"
    },
    {
      "lang": "es",
      "value": "firefly-iii es vulnerable a la Restricci\u00f3n Inapropiada de Intentos de Autenticaci\u00f3n Excesivos"
    }
  ],
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
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          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
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          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.4
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    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
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      "source": "security@huntr.dev",
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  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "5.5.12",
              "matchCriteriaId": "8CCADEFF-E42E-4D24-B69F-275FE4DBFD93"
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  "references": [
    {
      "url": "https://github.com/firefly-iii/firefly-iii/commit/afc9f4b7ebc8a240c85864a6e1abda62bfeefae8",
      "source": "security@huntr.dev",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://huntr.dev/bounties/497bdf6d-7dba-49c3-8011-1c64dfbb3380",
      "source": "security@huntr.dev",
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        "Exploit",
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}