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CVE-2019-5274

Estado: ModificadaAlta (7.5)—

USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.

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)

Huawei — Usg9500 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-5274",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "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"
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        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "USG9500",
          "versions": [
            {
              "status": "affected",
              "version": "V500R001C30"
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              "version": "V500R001C60"
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  "published": "2019-12-26T19:15:11.047",
  "references": [
    {
      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products."
    },
    {
      "lang": "es",
      "value": "USG9500 con versiones desde V500R001C30;V500R001C60 presentan una vulnerabilidad de denegación de servicio. Debido a un fallo en la implementación de X.509 en los productos afectados lo que puede resultar en un bucle infinito, un atacante puede explotar la vulnerabilidad por medio de un certificado malicioso para llevar a cabo un ataque de denegación de servicio en los productos afectados."
    }
  ],
  "lastModified": "2026-06-17T02:37:25.177",
  "configurations": [
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