ESXI-06-000020 - The SSH daemon must perform strict mode checking of home directory configuration files.

Information

If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user.

Solution

To set the StrictModes setting, add or correct the following line in '/etc/ssh/sshd_config':

StrictModes yes

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMware_vSphere_6-0_ESXi_V1R5_STIG.zip