CVE-2021-42237 CISA KEV · Actively exploitedLinked to ransomware
Deserialization of untrusted data in Sitecore Experience Platform
CVSS score
9.8
EPSS probability
%97.6
Risk score
19.1
Published
5 y ago
Public Exploits · GitHub and Metasploit Intelligence
This tab scans the sources that NVD labels as exploits, GitHub repositories matching the CVE identifier and Rapid7 Metasploit Framework modules. Only links to sources that were actually found are shown.
Nuclei: Sitecore Experience Platform Pre-Auth RCE
Makefile Go / Python
NVD reference
https://blog.assetnote.io/2021/11/02/sitecore-rce/
Makefile Go / Python
Similar Vulnerabilities
9.0
CVE-2025-53690 Actively exploitedDeserialization of untrusted data in Sitecore Experience Manager
Workaround Public Exploits:1EPSS %61
9.8
CVE-2025-53693Vulnerability in Sitecore Experience Manager
Patch status unknown Public Exploits:1EPSS %20
7.5
CVE-2025-53694Information exposure in Sitecore Experience Manager
Patch status unknown Public Exploits:1EPSS %7
8.8
CVE-2025-53691Deserialization of untrusted data in Sitecore Experience Manager
Patch status unknown Public Exploits:1EPSS %2
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2021-42237"