AEGLIX vulnerability intelligence
CVE-2019-9874
CRITICAL · CVSS 9.8 · Analyzed
Published: 2019-05-31 · Updated: 2026-06-17 · Source: NVD
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Vulnerability overview
Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Sitecore · CMS and Experience Platform (XP)
- Added to catalog
- 2025-03-26
- 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.
- CISA remediation due date
- 2025-04-16
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:*
From (inclusive): 7.0
Through (inclusive): 7.2
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*
From (inclusive): 7.5
Through (inclusive): 8.2
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://dev.sitecore.net/Downloads.aspx
Product · Vendor Advisory
- https://www.synacktiv.com/blog.html
Third Party Advisory
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf
Exploit · Patch · Third Party Advisory
- https://dev.sitecore.net/Downloads.aspx
Product · Vendor Advisory
- https://www.synacktiv.com/blog.html
Third Party Advisory
- https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf
Exploit · Patch · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874
US Government Resource