Vulnerability Details CVE-2019-9874
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.231
EPSS Ranking 95.6%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Proposed Action
Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
Ransomware Campaign
Unknown
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
Products affected by CVE-2019-9874
-
cpe:2.3:a:sitecore:cms:7.0
-
cpe:2.3:a:sitecore:cms:7.2
-
cpe:2.3:a:sitecore:experience_platform:7.5
-
cpe:2.3:a:sitecore:experience_platform:8.0
-
cpe:2.3:a:sitecore:experience_platform:8.1
-
cpe:2.3:a:sitecore:experience_platform:8.2