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CVE-2022-33992

Estado: ModificadaAlta (7.5)—

DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.

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)

Domain Name Relay Daemon Project — Domain Name Relay Daemon

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-33992",
  "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:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
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  ],
  "published": "2022-08-15T12:15:18.480",
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      "url": "http://dnrd.sourceforge.net/",
      "tags": [
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      "tags": [
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      "source": "cve@mitre.org"
    },
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      "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner",
      "tags": [
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      "source": "cve@mitre.org"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
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      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers."
    },
    {
      "lang": "es",
      "value": "DNRD (también se conoce como Domain Name Relay Daemon) versión 2.20.3, reenvía y almacena en caché las consultas DNS con el bit CD (también se conoce como checking disabled) puesto a 1. Esto conlleva a una deshabilitación de la protección DNSSEC proporcionada por los resolutores upstream."
    }
  ],
  "lastModified": "2026-06-17T04:49:37.947",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:domain_name_relay_daemon_project:domain_name_relay_daemon:2.20.3:*:*:*:*:*:*:*",
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}