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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
sitecorecms
𝑥
≤ 9.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://dev.sitecore.net/Downloads.aspx
https://www.synacktiv.com/blog.html
https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf
https://dev.sitecore.net/Downloads.aspx
https://www.synacktiv.com/blog.html
https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9875