CVE-2025-27212

Estado: AplazadaCrítica (9.8)—

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network.

Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 and earlier) UniFi Access G3 Reader Pro (Version 1.10.30 and earlier) UniFi Access Intercom (Version 1.7.28 and earlier) UniFi Access G3 Intercom (Version 1.7.29 and earlier) UniFi Access Intercom Viewer (Version 1.3.20 and earlier)

Mitigation: Update UniFi Access Reader Pro Version 2.15.9 or later Update UniFi Access G2 Reader Pro Version 1.11.23 or later Update UniFi Access G3 Reader Pro Version 1.11.22 or later Update UniFi Access Intercom Version 1.8.22 or later Update UniFi Access G3 Intercom Version 1.8.22 or later Update UniFi Access Intercom Viewer Version 1.4.39 or later

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.21%
Percentil entre todas las CVEs puntuadas: 67
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %

Vector CVSS AV:N/AC:L/PR:N indica acceso remoto sin autenticación previa (T1190). CWE-77 (Command Injection) sustenta ejecución de comandos (T1059) como impacto principal.

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 Management Vulnerability Scanning Restrict Web-Based Content Network Segmentation Limit Software Installation Limit Access to Resource Over Network

Tecnologías afectadas (6)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

UI — Unifi Access G2 Reader PRO^AI UI — Unifi Access G3 Intercom^AI UI — Unifi Access G3 Reader PRO^AI UI — Unifi Access Intercom^AI UI — Unifi Access Intercom Viewer^AI UI — Unifi Access Reader PRO^AI

CWE

CWE-20, CWE-77

Referencias

https://community.ui.com/releases/Security-Advisory-Bulletin-051-051/583fa6e1-3d85-42ec-a453-651d1653c9b3

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-27212",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-27212",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-05T13:29:55.643740Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access Reader Pro",
          "versions": [
            {
              "status": "affected",
              "version": "2.15.9",
              "lessThan": "2.15.9",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access G2 Reader Pro",
          "versions": [
            {
              "status": "affected",
              "version": "1.11.23",
              "lessThan": "1.11.23",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access G3 Reader Pro",
          "versions": [
            {
              "status": "affected",
              "version": "1.11.22",
              "lessThan": "1.11.22",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access Intercom",
          "versions": [
            {
              "status": "affected",
              "version": "1.8.22",
              "lessThan": "1.8.22",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access G3 Intercom",
          "versions": [
            {
              "status": "affected",
              "version": "1.8.22",
              "lessThan": "1.8.22",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Ubiquiti Inc",
          "product": "UniFi Access Intercom Viewer",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.39",
              "lessThan": "1.4.39",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-08-04T23:15:27.963",
  "references": [
    {
      "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-051-051/583fa6e1-3d85-42ec-a453-651d1653c9b3",
      "source": "support@hackerone.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network.\r\n\r\n \r\n\r\nAffected Products:\r\nUniFi Access Reader Pro (Version 2.14.21 and earlier)\r\nUniFi Access G2 Reader Pro (Version 1.10.32 and earlier)\r\nUniFi Access G3 Reader Pro (Version 1.10.30 and earlier)\r\nUniFi Access Intercom (Version 1.7.28 and earlier)\r\nUniFi Access G3 Intercom (Version 1.7.29 and earlier)\r\nUniFi Access Intercom Viewer (Version 1.3.20 and earlier)\r\n\r\n \r\n\r\nMitigation:\r\nUpdate UniFi Access Reader Pro Version 2.15.9 or later\r\nUpdate UniFi Access G2 Reader Pro Version 1.11.23 or later\r\nUpdate UniFi Access G3 Reader Pro Version 1.11.22 or later\r\nUpdate UniFi Access Intercom Version 1.8.22 or later\r\nUpdate UniFi Access G3 Intercom Version 1.8.22 or later\r\nUpdate UniFi Access Intercom Viewer Version 1.4.39 or later"
    },
    {
      "lang": "es",
      "value": "Una validación de entrada incorrecta en ciertos dispositivos UniFi Access podría permitir una inyección de comandos por parte de un actor malicioso con acceso a la red de administración de UniFi Access. Productos afectados: UniFi Access Reader Pro (versión 2.14.21 y anteriores) UniFi Access G2 Reader Pro (versión 1.10.32 y anteriores) UniFi Access G3 Reader Pro (versión 1.10.30 y anteriores) UniFi Access Intercom (versión 1.7.28 y anteriores) UniFi Access G3 Intercom (versión 1.7.29 y anteriores) UniFi Access Intercom Viewer (versión 1.3.20 y anteriores) Mitigación: Actualizar UniFi Access Reader Pro versión 2.15.9 o posterior Actualizar UniFi Access G2 Reader Pro versión 1.11.23 o posterior Actualizar UniFi Access G3 Reader Pro versión 1.11.22 o posterior Actualizar UniFi Access Intercom versión 1.8.22 o posterior Actualizar UniFi Access G3 Intercom versión 1.8.22 o posterior Actualizar UniFi Access Intercom Viewer versión 1.4.39 o posterior"
    }
  ],
  "lastModified": "2026-06-17T09:03:13.090",
  "sourceIdentifier": "support@hackerone.com"
}