Virtual Private Server (Vserver) 2.0.x before 2.0.2-rc18 and 2.1.x before 2.1.1-rc18 provides certain context capabilities (ccaps) that allow local guest users to perform operations that were only intended to be allowed by the guest-root.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 27.1%