critical9.8
CVE-2021-21994
SFCB (Small Footprint CIM Broker) as used in ESXi has an authentication bypass vulnerability.
Impact
SFCB (Small Footprint CIM Broker) as used in ESXi has an authentication bypass vulnerability. A malicious actor with network access to port 5989 on ESXi may exploit this issue to bypass SFCB authentication by sending a specially crafted request.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vmware | Cloud Foundation | from 3.0 before 3.10.2 from 4.0 before 4.3 |
| Vmware | Esxi | Versions 6.5, 6.7, 7.0 |