CVE-2019-9875

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

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-2019-9875	US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:*

History

07 Nov 2025, 19:36

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9875 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9875 - US Government Resource

Information

Published : 2019-05-31 21:29

Updated : 2025-11-07 19:36

NVD link : CVE-2019-9875

Mitre link : CVE-2019-9875

CVE.ORG link : CVE-2019-9875

JSON object : View

Products Affected

sitecore

cms

CWE

CWE-502

Deserialization of Untrusted Data

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