CVE-2025-53690

Product

Sitecore / Multiple Products

Vulnerability

Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

Added to KEV

Sep 4, 2025

Remediate by

Sep 25, 2025

Known ransomware use

No

Summary 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.

Required 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.

Notes

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53690