July 2021 Patch Tuesday: Microsoft fixes 4 actively exploited bugs
60
CVE-2021-21994
—CVSS 3.1
9.8 critical
EPSS
1%p65
Published
()
Modified
Description
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.
- Vendors
- vmware
- Products
- cloud foundation, esxi
- Weakness
- CWE-287
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H