CVE-2019-9874

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Summary

CVECVE-2019-9874
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-05-31 21:29:00 UTC
Updated2019-06-03 18:47:00 UTC
DescriptionDeserialization 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.

Risk And Classification

EPSS: 0.838570000 probability, percentile 0.996620000 (date 2026-07-21)

CISA KEV: Listed on 2025-03-26; due 2025-04-16; ransomware use Unknown

Problem Types: CWE-502

CISA Known Exploited Vulnerability

VendorSitecore
ProductCMS and Experience Platform (XP)
NameSitecore CMS and Experience Platform (XP) Deserialization Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0334035 ; https://nvd.nist.gov/vuln/detail/CVE-2019-9874

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Sitecore Cms All All All All
Application Sitecore Experience Platform All All All All

References

ReferenceSourceLinkTags
Sitecore Downloads: Downloads MISC dev.sitecore.net Product, Vendor Advisory
www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf MISC www.synacktiv.com Exploit, Patch, Third Party Advisory
Synacktiv MISC www.synacktiv.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

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