CVE-2025-53690 - Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Project:Sitecore
Product:Multiple Products
Date Added:2025-09-04Due Date:2025-09-25
Vulnerability Name
Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
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.
Known To Be Used in Ransomware Campaigns?
Unknown
Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Additional Notes
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865
https://nvd.nist.gov/vuln/detail/CVE-2025-53690
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