{
    "id": "CVE-2020-11989",
    "published": "2020-06-22 19:15:10",
    "last_modified": "2026-06-17 02:51:12",
    "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": null,
    "description": "Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.",
    "epss_score": "0.24436",
    "epss_percentile": "0.97813",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:25",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 24.4% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "shiro"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r408fe60bc8fdfd7c74135249d646d7abadb807ebf90f6fd2b014df21%40%3Cdev.geode.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cdev.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rcf3d8041e1232201fe5d74fc612a193e435784d64002409b448b58fe%40%3Cdev.geode.apache.org%3E",
        "https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r408fe60bc8fdfd7c74135249d646d7abadb807ebf90f6fd2b014df21%40%3Cdev.geode.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cdev.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0%40%3Ccommits.shiro.apache.org%3E",
        "https://lists.apache.org/thread.html/rcf3d8041e1232201fe5d74fc612a193e435784d64002409b448b58fe%40%3Cdev.geode.apache.org%3E"
    ]
}