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CVE-2022-33977

Estado: ModificadaAlta (7.5)—

untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running.

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)

Untangle Project — Untangle

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-33977",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Christian Stefanescu",
          "product": "untangle",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.0 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-07-26T06:15:08.957",
  "references": [
    {
      "url": "https://github.com/stchris/untangle",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://github.com/stchris/untangle/releases/tag/1.2.1",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN30454777/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://github.com/stchris/untangle",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/stchris/untangle/releases/tag/1.2.1",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN30454777/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-776"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running."
    },
    {
      "lang": "es",
      "value": "untangle es una biblioteca de python para convertir datos XML en objetos de python. untangle versiones 1.2.0 y anteriores restringen inapropiadamente las referencias a entidades recursivas en los DTD. Al explotar esta vulnerabilidad, un atacante remoto no autenticado puede causar una condición de denegación de servicio (DoS) en el servidor donde es ejecutado el producto.\n"
    }
  ],
  "lastModified": "2026-06-17T04:49:35.973",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:untangle_project:untangle:*:*:*:*:*:python:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EE28162D-2C6D-4E0F-97EC-4E4C84A199EA",
              "versionEndIncluding": "1.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}