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CVE-2021-3052

Estado: ModificadaMedia (5.4)—

A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authenticated network-based attacker to mislead another authenticated PAN-OS administrator to click on a specially crafted link that performs arbitrary actions in the PAN-OS web interface as the targeted authenticated administrator. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.20; PAN-OS 9.0 versions earlier than 9.0.14; PAN-OS 9.1 versions earlier than 9.1.10; PAN-OS 10.0 versions earlier than 10.0.2. This issue does not affect Prisma Access.

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)

Paloaltonetworks — Pan-os

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3052",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@paloaltonetworks.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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  },
  "affected": [
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      "source": "psirt@paloaltonetworks.com",
      "affectedData": [
        {
          "vendor": "Palo Alto Networks",
          "product": "PAN-OS",
          "versions": [
            {
              "status": "unaffected",
              "version": "10.1.*"
            },
            {
              "status": "affected",
              "changes": [
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                  "at": "9.0.14",
                  "status": "unaffected"
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              "version": "9.0",
              "lessThan": "9.0.14",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "changes": [
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                  "at": "8.1.20",
                  "status": "unaffected"
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              ],
              "version": "8.1",
              "lessThan": "8.1.20",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "changes": [
                {
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                  "status": "unaffected"
                }
              ],
              "version": "9.1",
              "lessThan": "9.1.10",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "changes": [
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                  "status": "unaffected"
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              "version": "10.0",
              "lessThan": "10.0.2",
              "versionType": "custom"
            }
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      ]
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  ],
  "published": "2021-09-08T17:15:12.003",
  "references": [
    {
      "url": "https://security.paloaltonetworks.com/CVE-2021-3052",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@paloaltonetworks.com"
    },
    {
      "url": "https://security.paloaltonetworks.com/CVE-2021-3052",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@paloaltonetworks.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A reflected cross-site scripting (XSS) vulnerability in the Palo Alto Network PAN-OS web interface enables an authenticated network-based attacker to mislead another authenticated PAN-OS administrator to click on a specially crafted link that performs arbitrary actions in the PAN-OS web interface as the targeted authenticated administrator. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.20; PAN-OS 9.0 versions earlier than 9.0.14; PAN-OS 9.1 versions earlier than 9.1.10; PAN-OS 10.0 versions earlier than 10.0.2. This issue does not affect Prisma Access."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo cross-site scripting (XSS) reflejado en la interfaz web de PAN-OS de Palo Alto Network permite a un atacante autenticado basado en la red engañar a otro administrador autenticado de PAN-OS para que haga clic en un enlace especialmente diseñado que realice acciones arbitrarias en la interfaz web de PAN-OS como el administrador autenticado objetivo. Este problema afecta a: PAN-OS versión 8.1 anteriores a  8.1.20; PAN-OS versión 9.0 anteriores a 9.0.14; PAN-OS versión 9.1 anteriores a 9.1.10; PAN-OS versión 10.0 anteriores a 10.0.2. Este problema no afecta a Prisma Access"
    }
  ],
  "lastModified": "2026-06-17T04:04:38.397",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "8.1.20",
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  "sourceIdentifier": "psirt@paloaltonetworks.com"
}