CVE-2019-9875

State: Published
Severity: 8.8 High
Published: May 31, 2019
Updated: Oct 21, 2025
Reserved: Mar 19, 2019

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/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	n/aAffected

References

https://dev.sitecore.net/Downloads.aspx
https://www.synacktiv.com/blog.html
https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9875government-resource

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