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CVE-2020-1762

Estado: ModificadaAlta (8.6)—

An insufficient JWT validation vulnerability was found in Kiali versions 0.4.0 to 1.15.0 and was fixed in Kiali version 1.15.1, wherein a remote attacker could abuse this flaw by stealing a valid JWT cookie and using that to spoof a user session, possibly gaining privileges to view and alter the Istio configuration.

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 (2)

Kiali — KialiRedhat — Openshift Service Mesh

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-1762",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.2
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
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  "affected": [
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      "source": "secalert@redhat.com",
      "affectedData": [
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          "vendor": "[Kiali]",
          "product": "kiali",
          "versions": [
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              "status": "affected",
              "version": ">= 0.4.0, < 1.15.1"
            }
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  ],
  "published": "2020-04-27T21:15:13.717",
  "references": [
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1762",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://kiali.io/news/security-bulletins/kiali-security-001/",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1762",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://kiali.io/news/security-bulletins/kiali-security-001/",
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        "Vendor Advisory"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-384"
        },
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-384"
        },
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An insufficient JWT validation vulnerability was found in Kiali versions 0.4.0 to 1.15.0 and was fixed in Kiali version 1.15.1, wherein a remote attacker could abuse this flaw by stealing a valid JWT cookie and using that to spoof a user session, possibly gaining privileges to view and alter the Istio configuration."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad de comprobación de JWT insuficiente en Kiali versiones 0.4.0 hasta  la versión 1.15.0, y fue corregido en la versión 1.15.1, en la que un atacante remoto podría abusar de este fallo al robar una cookie JWT válida y usarla para falsificar una sesión de usuario, posiblemente obteniendo privilegios para visualizar y alterar la configuración de Istio."
    }
  ],
  "lastModified": "2026-06-17T03:02:21.140",
  "configurations": [
    {
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  "sourceIdentifier": "secalert@redhat.com"
}