{
    "id": "CVE-2020-8159",
    "published": "2020-05-12 13:15:13",
    "last_modified": "2026-06-17 03:25:57",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-22",
    "description": "There is a vulnerability in actionpack_page-caching gem < 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.",
    "epss_score": "0.05380",
    "epss_percentile": "0.92452",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:24",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "rubyonrails",
            "product": "actionpack_page-caching"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://groups.google.com/forum/#%21topic/rubyonrails-security/CFRVkEytdP8",
        "https://lists.debian.org/debian-lts-announce/2021/07/msg00019.html",
        "https://groups.google.com/forum/#%21topic/rubyonrails-security/CFRVkEytdP8",
        "https://lists.debian.org/debian-lts-announce/2021/07/msg00019.html"
    ]
}