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.
Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
No CVSS v3.0
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
Key SSVC decision points have not yet been added.
Affected Vendors & Products
Vendors | Products |
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Vmware |
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Configuration 1 [-]
|
Configuration 2 [-]
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No data.
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: vmware
Published: 2021-07-13T18:05:43
Updated: 2024-08-03T18:30:23.556Z
Reserved: 2021-01-04T00:00:00
Link: CVE-2021-21994
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-07-13T19:15:09.327
Modified: 2024-11-21T05:49:24.240
Link: CVE-2021-21994
Redhat
No data.