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CVE-2023-52947

Estado: AnalizadaBaja (3.3)—

Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.

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)

Synology — Active Backup FOR Business Agent

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-52947",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-52947",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T14:38:44.588411Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@synology.com",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.5
      },
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
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  },
  "affected": [
    {
      "source": "security@synology.com",
      "affectedData": [
        {
          "vendor": "Synology",
          "product": "Synology Active Backup for Business Agent",
          "versions": [
            {
              "status": "affected",
              "version": "*",
              "lessThan": "2.7.0-3221",
              "versionType": "semver"
            }
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          "defaultStatus": "affected"
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  "published": "2024-09-26T04:15:06.110",
  "references": [
    {
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_24_11",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de falta de autenticación para funciones críticas en la funcionalidad de cierre de sesión en Synology Active Backup for Business Agent anterior a la versión 2.6.3-3101 permite que los usuarios locales cierren la sesión del cliente a través de vectores no especificados. La funcionalidad de copia de seguridad seguirá funcionando y no se verá afectada por el cierre de sesión."
    }
  ],
  "lastModified": "2026-06-17T06:43:59.870",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "2.6.0-3101"
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          "operator": "OR"
        }
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  "sourceIdentifier": "security@synology.com"
}