{"cvss":9.0,"datePublished":"2025-09-04","dateUpdated":"2025-09-04","description":"Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud contain a deserialization of untrusted data vulnerability involving the use of default machine keys. This flaw allows attackers to exploit exposed ASP.NET machine keys to achieve remote code execution. ","dueDate":"2025-09-25","id":"CVE-2025-53690","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53690","product":"Multiple Products","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.","severity":"CRITICAL","source":"cisa_known_exploited","title":"Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability","vendor":"Sitecore"}