vulnerability
VMSA-2021-0014: SFCB improper authentication vulnerability (CVE-2021-21994)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | 2021-07-13 | 2021-07-26 | 2025-02-17 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
2021-07-13
Added
2021-07-26
Modified
2025-02-17
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.
Solution(s)
vmware-esxi65-upgrade-18071574vmware-esxi67-upgrade-17700523vmware-esxi700-upgrade-17630552vmware-esxi701-upgrade-17630552vmware-esxi702-upgrade-17630552

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