{
    "id": "CVE-2019-9875",
    "published": "2019-05-31 21:29:06",
    "last_modified": "2026-06-17 02:44:46",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-502",
    "description": "Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.",
    "epss_score": "0.13795",
    "epss_percentile": "0.96393",
    "kev": 1,
    "kev_due": "2025-04-16",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:24",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2025-04-16."
    },
    "products": [
        {
            "vendor": "sitecore",
            "product": "cms"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-9875",
        "date_added": "2025-03-26",
        "due_date": "2025-04-16",
        "vendor": "Sitecore",
        "product": "CMS and Experience Platform (XP)",
        "name": "Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://dev.sitecore.net/Downloads.aspx",
        "https://www.synacktiv.com/blog.html",
        "https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf",
        "https://dev.sitecore.net/Downloads.aspx",
        "https://www.synacktiv.com/blog.html",
        "https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9875"
    ]
}