{
    "id": "CVE-2020-27846",
    "published": "2020-12-21 16:15:13",
    "last_modified": "2026-06-17 03:09:43",
    "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-115",
    "description": "A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
    "epss_score": "0.04931",
    "epss_percentile": "0.91908",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:23",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "grafana",
            "product": "grafana"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "openshift_container_platform"
        },
        {
            "vendor": "redhat",
            "product": "openshift_service_mesh"
        },
        {
            "vendor": "saml_project",
            "product": "saml"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=1907670",
        "https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9",
        "https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterprise/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/",
        "https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/",
        "https://security.netapp.com/advisory/ntap-20210205-0002/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1907670",
        "https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9",
        "https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterprise/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/",
        "https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/",
        "https://security.netapp.com/advisory/ntap-20210205-0002/"
    ]
}