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CVE-2025-47794

Estado: AnalizadaMedia (4.3)—

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available.

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)

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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-05-16T14:48:28.138559Z"
        }
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          "version": "3.1",
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          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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          "integrityImpact": "LOW",
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  "published": "2025-05-16T15:15:48.213",
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      "tags": [
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      "tags": [
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      "url": "https://hackerone.com/reports/1960647",
      "tags": [
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "security-advisories@github.com",
      "description": [
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          "value": "CWE-284"
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      "description": [
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          "value": "NVD-CWE-noinfo"
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      "value": "Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available."
    },
    {
      "lang": "es",
      "value": "Nextcloud Server es un sistema de nube personal autoalojado. En Nextcloud Server anteriores a las versiones 29.0.13, 30.0.7 y 31.0.1, y en Nextcloud Enterprise Server anteriores a las versiones 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7 y 31.0.1, un atacante en un sistema multiusuario podría leer archivos temporales de Nextcloud con una cuenta de usuario diferente o ejecutar un ataque de enlace simbólico. Las versiones 29.0.13, 30.0.7 y 31.0.1 de Nextcloud Server y las versiones 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7 y 31.0.1 de Nextcloud Server solucionan el problema. No se conocen workarounds disponibles."
    }
  ],
  "lastModified": "2026-06-17T09:28:42.330",
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