{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "paquet (gem) actionpack_page-caching versions ant\u00e9rieures \u00e0 1.2.1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Ruby on Rails",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2020-8159",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8159"
    }
  ],
  "initial_release_date": "2020-05-07T00:00:00",
  "last_revision_date": "2020-05-07T00:00:00",
  "links": [],
  "reference": "CERTFR-2020-AVI-275",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2020-05-07T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Ruby on Rails. Elle permet \u00e0 un\nattaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance et\nune atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Ruby on Rails",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ruby on Rails du 06 mai 2020",
      "url": "https://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8"
    }
  ]
}

{
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          "vendor": "n/a",
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    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad en la funci\u00f3n Actionpack_page-caching en gem versi\u00f3n anterior a v1.2.1, que permite a un atacante escribir archivos arbitrarios en un servidor web, resultando potencialmente en una ejecuci\u00f3n de c\u00f3digo remota si el atacante puede escribir un ERB no escapado en una vista."
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  "id": "CVE-2020-8159",
  "lastModified": "2026-06-17T03:25:57.750",
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  "published": "2020-05-12T13:15:13.250",
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  "aliases": [
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    "github_reviewed_at": "2020-05-13T16:28:30Z",
    "nvd_published_at": "2020-05-12T13:15:00Z",
    "severity": "CRITICAL"
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  "details": "There is a vulnerability in actionpack_page-caching gem \u003c v1.2.1 that allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.",
  "id": "GHSA-mg5p-95m9-rmfp",
  "modified": "2021-07-26T21:16:26Z",
  "published": "2020-05-13T16:28:46Z",
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8159"
    },
    {
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      "url": "https://github.com/rails/actionpack-page_caching/commit/127da70a559bed4fc573fdb4a6d498a7d5815ce2"
    },
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      "url": "https://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8"
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      "type": "CVSS_V3"
    }
  ],
  "summary": "Arbitrary file write in actionpack-page_caching gem"
}

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  "id": "UBUNTU-CVE-2020-8159",
  "modified": "2025-10-24T04:48:19Z",
  "published": "2020-05-12T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8159"
    },
    {
      "type": "REPORT",
      "url": "https://groups.google.com/forum/#!topic/rubyonrails-security/CFRVkEytdP8"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8159"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-8159"
  ]
}