Coverage › CVE-2019-9875
CVE-2019-9875 Unmapped
Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
- Vendor / product
- Sitecore — CMS and Experience Platform (XP)
- Description (CISA)
- 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.
- Added to KEV
- 2025-03-26
- Due date
- 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.
- Known ransomware use
- Unknown
- CWE
- CWE-502
- CISA notes
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0038556
https://nvd.nist.gov/vuln/detail/CVE-2019-9875 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2019-9875. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-502) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.