Vulnerability Description
Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sitecore | Cms | >= 7.0, <= 7.2 |
| Sitecore | Experience Platform | >= 7.5, <= 8.2 |
Related Weaknesses (CWE)
References
- https://dev.sitecore.net/Downloads.aspxProductVendor Advisory
- https://www.synacktiv.com/blog.htmlThird Party Advisory
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdExploitPatchThird Party Advisory
- https://dev.sitecore.net/Downloads.aspxProductVendor Advisory
- https://www.synacktiv.com/blog.htmlThird Party Advisory
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdExploitPatchThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-US Government Resource
FAQ
What is CVE-2019-9874?
CVE-2019-9874 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary...
How severe is CVE-2019-9874?
CVE-2019-9874 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-9874?
Check the references section above for vendor advisories and patch information. Affected products include: Sitecore Cms, Sitecore Experience Platform.