CVE-2021-42237Used in ransomware
Sitecore XP
Sitecore XP Remote Command Execution Vulnerability
What it is
Sitcore XP contains an insecure deserialization vulnerability which can allow for remote code execution.
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
Other Sitecore entries on the list
- Multiple Products Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability CVE-2025-53690 · Sep 4, 2025
- CMS and Experience Platform (XP) Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability CVE-2019-9875 · Mar 26, 2025
- CMS and Experience Platform (XP) Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability CVE-2019-9874 · Mar 26, 2025