CVE-2019-9875 · netVigilance record NV25-0071
Sitecore CMS and Experience Platform (XP) Deserialization
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-04-16 · passed 1 year 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
Who is affected
Sitecore CMS and Experience Platform (XP). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-502.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 4 months ago
Sources
- NVD entry for CVE-2019-9875 nvd.nist.gov/vuln/detail/CVE-2019-9875
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- support.sitecore.com support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0038556
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2019-9875