{
    "id": "CVE-2021-21311",
    "published": "2021-02-11 21:15:13",
    "last_modified": "2026-06-17 03:35:16",
    "cvss_score": "7.2",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
    "cwe": "CWE-918",
    "description": "Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.",
    "epss_score": "0.98464",
    "epss_percentile": "0.99918",
    "kev": 1,
    "kev_due": "2025-10-20",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:26:59",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2025-10-20."
    },
    "products": [
        {
            "vendor": "adminer",
            "product": "adminer"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-21311",
        "date_added": "2025-09-29",
        "due_date": "2025-10-20",
        "vendor": "Adminer",
        "product": "Adminer",
        "name": "Adminer Server-Side Request Forgery Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351",
        "https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf",
        "https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6",
        "https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html",
        "https://packagist.org/packages/vrana/adminer",
        "https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351",
        "https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf",
        "https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6",
        "https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html",
        "https://packagist.org/packages/vrana/adminer",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21311"
    ]
}