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CVE-2025-52665

Estado: AnalizadaCrítica (10)—

A malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access application, UniFi Access, that exposed a management API without proper authentication. This vulnerability was introduced in Version 3.3.22 and was fixed in Version 4.0.21 and later.

Affected Products: UniFi Access Application (Version 3.3.22 through 3.4.31).

Mitigation: Update your UniFi Access Application to Version 4.0.21 or later.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

API de gestión sin autenticación accesible remotamente (AV:N, PR:N) permite obtener acceso a cuentas y ejecutar comandos en la aplicación UniFi Access.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementApplication Developer GuidanceActive Directory ConfigurationVulnerability ScanningUser TrainingUser Account Management

Tecnologías afectadas (1)

UI — Unifi Access

CWE

Referencias

JSON original (NVD)

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{
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  "cveTags": [],
  "metrics": {
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          "id": "CVE-2025-52665",
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          "options": [
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 6,
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  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access Application",
          "versions": [
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              "version": "3.3.22",
              "versionType": "semver",
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            }
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  "published": "2025-10-31T00:15:37.000",
  "references": [
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      "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-056/ce97352d-91cd-40a7-a2f4-2c73b3b30191",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
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      "value": "A malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access application, UniFi Access, that exposed a management API without proper authentication. This vulnerability was introduced in Version 3.3.22 and was fixed in Version 4.0.21 and later. \n \nAffected Products:\nUniFi Access Application (Version 3.3.22 through 3.4.31). 
 \n\nMitigation:\nUpdate your UniFi Access Application to Version 4.0.21 or later."
    }
  ],
  "lastModified": "2026-06-17T09:36:53.480",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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  "sourceIdentifier": "support@hackerone.com"
}