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CVE-2020-8145

Estado: ModificadaMedia (6.5)—

The UniFi Video Server (Windows) web interface configuration restore functionality at the “backup” and “wizard” endpoints does not implement sufficient privilege checks. Low privileged users, belonging to the PUBLIC_GROUP or CUSTOM_GROUP groups, can access these endpoints and overwrite the current application configuration. This can be abused for various purposes, including adding new administrative users. Affected Products: UniFi Video Controller v3.9.3 (for Windows 7/8/10 x64) and prior. Fixed in UniFi Video Controller v3.9.6 and newer.

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)

UI — Unifi Video

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-8145",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "UniFi Video Controller (for Windows 7/8/10 x64)",
          "versions": [
            {
              "status": "affected",
              "version": "v3.9.3 and prior are affected"
            },
            {
              "status": "affected",
              "version": "Fixed in v3.9.6 and newer"
            }
          ]
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  ],
  "published": "2020-04-01T23:15:13.890",
  "references": [
    {
      "url": "https://community.ui.com/releases/Security-advisory-bulletin-006-006/3cf6264e-e0e6-4e26-a331-1d271f84673e",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://community.ui.com/releases/Security-advisory-bulletin-006-006/3cf6264e-e0e6-4e26-a331-1d271f84673e",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The UniFi Video Server (Windows) web interface configuration restore functionality at the “backup” and “wizard” endpoints does not implement sufficient privilege checks. Low privileged users, belonging to the PUBLIC_GROUP or CUSTOM_GROUP groups, can access these endpoints and overwrite the current application configuration. This can be abused for various purposes, including adding new administrative users. Affected Products: UniFi Video Controller v3.9.3 (for Windows 7/8/10 x64) and prior. Fixed in UniFi Video Controller v3.9.6 and newer."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de restauración de la configuración de la interfaz web de UniFi Video Server (Windows) en los endpoints “backup” y “wizard” no implementa suficientes comprobaciones de privilegios. Los usuarios poco privilegiados, que pertenecen a los grupos PUBLIC_GROUP o CUSTOM_GROUP, pueden acceder a estos endpoints y sobrescribir la configuración actual de la aplicación. Esto puede ser abusado para varios fines, incluyendo la adición de nuevos usuarios administrativos. Productos afectados: UniFi Video Controller versión v3.9.3 (para Windows 7/8/10 x64) y anteriores. Corregido en UniFi Video Controller versión v3.9.6 y más recientes."
    }
  ],
  "lastModified": "2026-06-17T03:25:56.303",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "AD1288F1-519E-4CE3-8627-5BB39BCDE0CA",
              "versionEndIncluding": "3.9.3"
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          "operator": "OR"
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  "sourceIdentifier": "support@hackerone.com"
}