CVE-2025-53690

CRITICALCVSS 9.0Known Exploited

CISA Known Exploited Vulnerability

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

Remediation deadline: September 25, 2025

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.

Timeline

Published:September 3rd, 2025 8:15 PM

Last modified:October 18th, 2026 9:10 PM

Added to KEV:September 4th, 2025

CVSS Scoring

CVSS v3: 9.0 (CRITICAL)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

sitecore

Products

experience_commerceexperience_managerexperience_platformmanaged_cloud

Weaknesses (CWE)

CWE-502

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute