Sitecore Experience Manager/Experience Platform up to 9.0 deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Sitecore Experience Manager and Experience Platform up to 9.0. Affected by this issue is some unknown functionality. The manipulation leads to deserialization. This vulnerability is listed as CVE-2025-53690. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Sitecore Experience Manager and Experience Platform up to 9.0. It has been rated as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at cloud.google.com. The identification of this vulnerability is CVE-2025-53690 since 07/08/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/04/2025).

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/04/2025 with a due date of 09/25/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Zero-Day.cz (1028), EUVD (EUVD-2025-26629) and CERT Bund (WID-SEC-2025-1953). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Sitecore Experience Manager

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.0
CNA Vector (Wiz): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Attacked

EPSS Score: 🔒
EPSS Percentile: 🔒

KEV Added: 🔒
KEV Due: 🔒
KEV Remediation: 🔒
KEV Ransomware: 🔒
KEV Notice: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Zero-Day.cz: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/08/2025 CVE reserved
09/03/2025 +57 days Advisory disclosed
09/03/2025 +0 days VulDB entry created
09/04/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: cloud.google.com
Status: Confirmed

CVE: CVE-2025-53690 (🔒)
GCVE (CVE): GCVE-0-2025-53690
GCVE (VulDB): GCVE-100-322433
EUVD: 🔒
CERT Bund: WID-SEC-2025-1953 - Sitecore Experience Manager: Schwachstelle ermöglicht Codeausführung

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/03/2025 23:35
Updated: 09/04/2025 22:10
Changes: 09/03/2025 23:35 (60), 09/04/2025 09:39 (1), 09/04/2025 12:38 (6), 09/04/2025 20:27 (8), 09/04/2025 22:10 (9)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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