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MitreCVELIST:CVE-2021-45100HistoryDec 16, 2021 - 4:37 a.m.
CVE-2021-45100
2021-12-1604:37:02
mitre
www.cve.org
7
ksmbd server
linux kernel
cleartext communication
encryption
smb protocol
windows 10
The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2_GLOBAL_CAP_ENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol specification. When Windows 10 detects this protocol violation, it disables encryption.
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