CVE-2017-15883
Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and consequently cause a denial of service on load balanced sites or gain privileges via vectors related to weak cryptography.
Date published : 2018-01-08
https://www.mnemonic.no/news/2017/vulnerability-finding-sitefinity-cms/