CVE-2019-9875

Description

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.

Reserved 2019-03-19 | Published 2019-05-31 | Updated 2025-03-26 | Assigner mitre

CISA Known Exploited Vulnerability

Date added 2025-03-26 | Due date 2025-04-16

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

dev.sitecore.net/Downloads.aspx

www.synacktiv.com/blog.html

www.synacktiv.com/...ories/Sitecore_CSRF_deserialize_RCE.pdf

cve.org (CVE-2019-9875)

nvd.nist.gov (CVE-2019-9875)

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