CVE-2021-42237: Sitecore XP Remote Command Execution Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 97.6%, 100th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: Sitecore XP Remote Command Execution Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
Description
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Sitecore: XP
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.ht… (opens in new tab)
- blog.assetnote.io/2021/11/02/sitecore-rce/ (opens in new tab)
- support.sitecore.com/kb (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)