CVE-2021-21991

Summary

The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens. A malicious actor with non-administrative user access on vCenter Server host may exploit this issue to escalate privileges to Administrator on the vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash).

Affected Software

VendorProductVersion RangeStatus
n/aVMware vCenter Server, VMware Cloud FoundationVMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)affected

Weaknesses

  • Local privilege escalation vulnerability

ADP Enrichment

CVE Program Container

Additional References

References