CVE-2019-9874

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 v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://dev.sitecore.net/Downloads.aspx	Product Vendor Advisory
https://www.synacktiv.com/blog.html	Third Party Advisory
https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf	Exploit Patch Third Party Advisory
https://dev.sitecore.net/Downloads.aspx	Product Vendor Advisory
https://www.synacktiv.com/blog.html	Third Party Advisory
https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf	Exploit Patch Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sitecore:cms::::::::
	cpe:2.3:a:sitecore:experience_platform::::::::

History

07 Nov 2025, 19:36

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874 - US Government Resource

Information

Published : 2019-05-31 21:29

Updated : 2025-11-07 19:36

NVD link : CVE-2019-9874

Mitre link : CVE-2019-9874

CVE.ORG link : CVE-2019-9874

JSON object : View

Products Affected

sitecore

cms
experience_platform

CWE

CWE-502

Deserialization of Untrusted Data

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