CVE-2021-42237

KEV
Published: Nov 05, 2021 Last Modified: Nov 10, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 10,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9431
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

502

Deserialization of Untrusted Data

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Application Data Unexpected State Dos: Resource Consumption (Cpu) Varies By Context
Applicable Platforms
Languages: Java, JavaScript, PHP, Python, Ruby
Technologies: AI/ML, ICS/OT, Not Technology-Specific
Likelihood of Exploit: Medium
View CWE Details
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update7:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.1
cpe:2.3:a:sitecore:experience_platform:8.1:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update7:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.1
cpe:2.3:a:sitecore:experience_platform:8.1:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update6:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 7.5
cpe:2.3:a:sitecore:experience_platform:7.5:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 7.5
cpe:2.3:a:sitecore:experience_platform:7.5:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.1
cpe:2.3:a:sitecore:experience_platform:8.1:update3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.1
cpe:2.3:a:sitecore:experience_platform:8.1:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.2
cpe:2.3:a:sitecore:experience_platform:8.2:update5:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 7.5
cpe:2.3:a:sitecore:experience_platform:7.5:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update5:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:sp1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Experience Platform by Sitecore

Product Information
Vendor Sitecore
Product Experience Platform
Version 8.0
cpe:2.3:a:sitecore:experience_platform:8.0:update6:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/164988/Sitecore-Experi…
http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Rem…
https://blog.assetnote.io/2021/11/02/sitecore-rce/
https://blog.assetnote.io/2021/11/02/sitecore-rce/
http://sitecore.com
http://sitecore.com
https://support.sitecore.com/kb?id=kb_article_view&sysparm_…
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776
http://packetstormsecurity.com/files/164988/Sitecore-Experi…
http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Rem…
https://blog.assetnote.io/2021/11/02/sitecore-rce/
https://blog.assetnote.io/2021/11/02/sitecore-rce/
http://sitecore.com
http://sitecore.com
https://support.sitecore.com/kb?id=kb_article_view&sysparm_…
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776