CVE-2019-9875
mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.254 · 98 %ileEUUSadded 2025-03-26remediate by 2025-04-16
required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS · scored 2026-10-28
Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://dev.sitecore.net/Downloads.aspxcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-9875cnnvd
- https://www.synacktiv.com/blog.htmlcnnvd
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdfcnnvd
- https://dev.sitecore.net/Downloads.aspxenisa_euvd
- https://www.synacktiv.com/blog.htmlenisa_euvd
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdfenisa_euvd
- https://dev.sitecore.net/Downloads.aspxProductVendor Advisorynvd
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