CVE-2021-42237
- State
- Published
- Severity
- 9.8 Critical
- Published
- Nov 5, 2021
- Updated
- Jul 9, 2026
- Reserved
- Oct 11, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776
- https://blog.assetnote.io/2021/11/02/sitecore-rce/
- http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237government-resource
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