VULNERABILITY INTELLIGENCE

CVE-2019-9875

CVSS score8.8 HIGH

EPSS probability13.79%

CISA KEVKnown exploited vulnerability

Published2019-05-31

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability

Vendor / product: Sitecore / CMS and Experience Platform (XP)

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.

Weakness classification

CWE-502: Deserialization of Untrusted Data

Primary references

cve@mitre.org — Product, Vendor Advisory
cve@mitre.org — Third Party Advisory
cve@mitre.org — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource