{
    "id": "CVE-2018-6521",
    "published": "2018-02-02 01:29:00",
    "last_modified": "2026-06-17 02:01:57",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.",
    "epss_score": "0.03053",
    "epss_percentile": "0.87214",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:19",
    "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": "simplesamlphp",
            "product": "simplesamlphp"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html",
        "https://simplesamlphp.org/security/201801-03",
        "https://www.debian.org/security/2018/dsa-4127",
        "https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html",
        "https://simplesamlphp.org/security/201801-03",
        "https://www.debian.org/security/2018/dsa-4127"
    ]
}