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CVE-2023-49791

Estado: ModificadaMedia (5.4)—

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when an attacker manages to get access to an active session of another user via another way, they could delete and modify workflows by sending calls directly to the API bypassing the password confirmation shown in the UI. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this 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)

Nextcloud — Nextcloud Server

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-49791",
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            {
              "automatable": "no"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2024-02-27T18:16:58.219303Z"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "confidentialityImpact": "NONE"
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  "published": "2023-12-22T17:15:08.683",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security-advisories@github.com",
      "description": [
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          "value": "CWE-284"
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          "value": "CWE-287"
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  "descriptions": [
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      "lang": "en",
      "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when an attacker manages to get access to an active session of another user via another way, they could delete and modify workflows by sending calls directly to the API bypassing the password confirmation shown in the UI. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available."
    },
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      "lang": "es",
      "value": "Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de código abierto. En Nextcloud Server anteriores a las versiones 26.0.9 y 27.1.4; así como Nextcloud Enterprise Server anteriores a las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4; Cuando un atacante logra acceder a una sesión activa de otro usuario de otra manera, podría eliminar y modificar los workflows enviando llamadas directamente a la API sin pasar por la confirmación de contraseña que se muestra en la interfaz de usuario. Las versiones 26.0.9 y 27.1.4 de Nextcloud Server y las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4 de Nextcloud Enterprise Server contienen un parche para este problema. No hay workarounds disponibles."
    }
  ],
  "lastModified": "2026-06-17T06:36:28.280",
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