CVE-2025-53690
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
51.1%
98.9th percentile
CISA KEV
Listed
Added 2025-09-04 · patch by 2025-09-25
Weakness / dates
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Published — · modified —
Timeline
- 2025-09-04 — Added to CISA KEV (actively exploited)
- 2025-09-25 — CISA patch-by deadline
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.