{
  "id": "cve-2019-9875",
  "cveID": "CVE-2019-9875",
  "vendor": "Sitecore",
  "product": "CMS and Experience Platform (XP)",
  "vulnerabilityName": "Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability",
  "shortDescription": "Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-03-26",
  "dueDate": "2025-04-16",
  "knownRansomware": false,
  "cwes": [
    "CWE-502"
  ],
  "notes": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0038556 ; https://nvd.nist.gov/vuln/detail/CVE-2019-9875",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9875"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "support.sitecore.com",
      "url": "https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0038556"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9875"
    }
  ],
  "cvss": {
    "score": 8.8,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  },
  "epss": {
    "score": 0.14042,
    "percentile": 0.9633
  },
  "timeline": [
    {
      "date": "2025-03-26",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2025-04-16",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}