CVE-2025-53690 (GCVE-0-2025-53690)

Vulnerability from cvelistv5 – Published: 2025-09-03 20:04 – Updated: 2025-10-21 22:45
VLAI? CISA KEV
Title
Sitecore Products ViewState Deserialization Vulnerability
Summary
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.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Wiz
Impacted products
Credits
Mandiant Threat Defense
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2025-53690

Status: Confirmed

Status Updated: 2025-09-04 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2025-09-04
Asserted: 2025-09-04

Scope
Notes: KEV entry: Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability | Affected: Sitecore / Multiple Products | 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. | Due date: 2025-09-25 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53690

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2025-09-25
Date Added 2025-09-04
Vendorproject Sitecore
Vulnerabilityname Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:25 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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