The "Impersonate a client after authentication" user right must only be assigned to Administrators, Service, Local Service, and Network Service.
An XCCDF Rule
Description
<VulnDiscussion>Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Impersonate a client after authentication" user right allows a program to impersonate another user or account to run on their behalf. An attacker could potentially use this to elevate privileges.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-253498r877392_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Impersonate a client after authentication" to only include the following groups or accounts:
Administrators
LOCAL SERVICE
NETWORK SERVICE
SERVICE