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CVE-2021-30642

Estado: ModificadaCrítica (9.8)—

An input validation flaw in the Symantec Security Analytics web UI 7.2 prior 7.2.7, 8.1, prior to 8.1.3-NSR3, 8.2, prior to 8.2.1-NSR2 or 8.2.2 allows a remote, unauthenticated attacker to execute arbitrary OS commands on the target with elevated privileges.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30642",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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  "affected": [
    {
      "source": "secure@symantec.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Symantec Security Analytics",
          "versions": [
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              "status": "affected",
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  "published": "2021-04-27T15:15:07.587",
  "references": [
    {
      "url": "https://support.broadcom.com/security-advisory/content/security-advisories/0/SYMSA17969",
      "tags": [
        "Third Party Advisory"
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      "source": "secure@symantec.com"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "An input validation flaw in the Symantec Security Analytics web UI 7.2 prior 7.2.7, 8.1, prior to 8.1.3-NSR3, 8.2, prior to 8.2.1-NSR2 or 8.2.2 allows a remote, unauthenticated attacker to execute arbitrary OS commands on the target with elevated privileges."
    },
    {
      "lang": "es",
      "value": "Un fallo de comprobación de entrada en la Interfaz de Usuario web de Symantec Security Analytics 7.2 anterior a versión 7.2.7, 8.1, anterior a versión 8.1.3-NSR3, 8.2, anterior a versión 8.2.1-NSR2 o 8.2.2, permite a un atacante remoto no autenticado ejecutar un Sistema Operativo arbitrario comandos en el destino con privilegios elevados"
    }
  ],
  "lastModified": "2026-06-17T03:50:37.110",
  "configurations": [
    {
      "nodes": [
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