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CVE-2022-21654

Estado: ModificadaCrítica (9.8)—

Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised to upgrade.

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)

Envoyproxy — Envoy

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-21654",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-21654",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-04-23T15:55:41.314206Z"
        }
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "confidentialityImpact": "PARTIAL"
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
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  "affected": [
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              "version": ">= 1.20.0, < 1.20.2"
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  "published": "2022-02-22T23:15:11.103",
  "references": [
    {
      "url": "https://github.com/envoyproxy/envoy/commit/e9f936d85dc1edc34fabd0a1725ec180f2316353",
      "tags": [
        "Patch",
        "Third Party Advisory"
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      "source": "security-advisories@github.com"
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      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5j4x-g36v-m283",
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      "tags": [
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      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-5j4x-g36v-m283",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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          "value": "CWE-295"
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      "lang": "en",
      "value": "Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised to upgrade."
    },
    {
      "lang": "es",
      "value": "Envoy es un proxy de borde y servicio de código abierto, diseñado para aplicaciones nativas de la nube. El tls de Envoy permite la reutilización cuando algunos ajustes de validación de cert han cambiado de su configuración por defecto. La única medida de mitigación para este problema es asegurarse de que es usada la configuración tls por defecto. Es recomendado a usuarios actualizar"
    }
  ],
  "lastModified": "2026-06-17T04:26:41.617",
  "configurations": [
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