FKIE_CVE-2024-7983

Vulnerability from fkie_nvd - Published: 2025-03-20 10:15 - Updated: 2025-10-15 13:15
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. A maliciously crafted markdown payload can cause the server to spend excessive time converting it, leading to a denial of service. The server becomes unresponsive to other requests until the conversion is complete.
References
security@huntr.devhttps://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dcExploit, Third Party Advisory
Impacted products
Vendor Product Version
openwebui open_webui 0.3.8
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "7BFA5C2D-BD4F-4BD5-8D4E-D3BE4036FFA4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. A maliciously crafted markdown payload can cause the server to spend excessive time converting it, leading to a denial of service. The server becomes unresponsive to other requests until the conversion is complete."
    },
    {
      "lang": "es",
      "value": "En la versi\u00f3n 0.3.8 de open-webui, se expone un endpoint para convertir Markdown a HTML sin autenticaci\u00f3n. Un payload de Markdown maliciosa puede hacer que el servidor tarde demasiado en convertirla, lo que provoca una denegaci\u00f3n de servicio. El servidor deja de responder a otras solicitudes hasta que se completa la conversi\u00f3n."
    }
  ],
  "id": "CVE-2024-7983",
  "lastModified": "2025-10-15T13:15:53.130",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security@huntr.dev",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-03-20T10:15:38.387",
  "references": [
    {
      "source": "security@huntr.dev",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc"
    }
  ],
  "sourceIdentifier": "security@huntr.dev",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "security@huntr.dev",
      "type": "Secondary"
    }
  ]
}


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