CVEvulnerability

CVE-2025-53690

9.0 CRITICAL Known exploited Published 2025-09-03 Modified 2026-10-18 Official page ↗

CISA Known Exploited Vulnerability

Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability — Sitecore Multiple Products

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.

Added to KEV
2025-09-04
Remediation due
2025-09-25
Ransomware use
Unknown
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
Status
Analyzed
Published
2025-09-03
Last modified
2026-10-18
Assigner
9947ef80-c5d5-474a-bbab-97341a59000e
CVSS 3.1 (9947ef80-c5d5-474a-bbab-97341a59000e)
9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-502

Description

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

Affected configurations

• sitecore experience commerce (<= 9.0) • sitecore experience manager (<= 9.0) • sitecore experience platform (<= 9.0) • sitecore managed cloud

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References