High severity8.8CISA KEVNVD Advisory· Published May 31, 2019· Updated Jun 17, 2026

CVE-2019-9875

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Sitecore/CMS
cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:*
Range: <=9.1
Sitecore/Sitecoredescription
Sitecore/Sitecore.netllm-fuzzy
Range: <=9.1

Patches

Vulnerability mechanics

References

www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdfnvdExploitPatchThird Party Advisory
dev.sitecore.net/Downloads.aspxnvdProductVendor Advisory
www.synacktiv.com/blog.htmlnvdThird Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

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cvss	0.572
epss	0.011
exploit	0.000
kev	0.120
patch	0.000
ransomware	0.000