Title

Anonymous shares are not restricted. (Cat I impact)

Discussion

This is a Category 1 finding because it allows anonymous logon users (null session connections) to list all account names and enumerate all shared resources, thus providing a map of potential points to attack the system.

Check Content

Fix Text

Configure the policy values for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Network access: Do not allow anonymous enumeration of SAM accounts” and “Network access: Do not allow anonymous enumeration of SAM accounts and shares” to “Enabled".

Additional Identifiers

Rule ID: SV-28983r1_rule

Vulnerability ID: V-1093

Group Title: Anonymous shares are not restricted

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.