CVE-2025-53690
Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Summary
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.
Affected software
Vendor: Sitecore · Product: Multiple Products
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Sitecore
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2021-42237 | Sitecore XP Remote Command Execution Vulnerability | 97.9% | Yes |
| CVE-2019-9874 | Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability | 83.9% | Yes |
| CVE-2019-9875 | Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability | 14.2% | Yes |
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