Citrix Hypervisor vulnerabilities: How to find affected assets

This report summarizes vendor advisories and confirmed CVEs affecting Citrix XenServer (notably version 8.4 and earlier), documenting several vulnerabilities including RBAC escalation flaws that could permit host filesystem access and cross-VM breaches, DoS vectors, and kernel memory issues; vendors released XSA advisories and Citrix hotfixes while disputing the scope of an independent audit that claimed 89 issues.