STIGQter: STIG Summary: Riverbed NetIM OS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 11 Sep 2025:

Ubuntu OS must prevent direct login into the root account.

DISA Rule

SV-275633r1147949_rule

Vulnerability Number

V-275633

Group Title

SRG-OS-000109-GPOS-00056

Rule Version

RIIM-OS-411010

Severity

CAT II

CCI(s)

• CCI-004045 - Require users to be individually authenticated before granting access to the shared accounts or resources.

Weight

10

Fix Recommendation

Configure Ubuntu OS to prevent direct logins to the root account by using the following command:

$ sudo passwd -l root

Check Contents

Verify Ubuntu OS prevents direct logins to the root account by using the following command:

$ sudo passwd -S root
root L 08/09/2022 0 99999 7 -1

If the output does not contain "L" in the second field to indicate the account is locked, this is a finding.

Vulnerability Number

V-275633

Documentable

False

Rule Version

RIIM-OS-411010

Severity Override Guidance

Verify Ubuntu OS prevents direct logins to the root account by using the following command:

$ sudo passwd -S root
root L 08/09/2022 0 99999 7 -1

If the output does not contain "L" in the second field to indicate the account is locked, this is a finding.

Check Content Reference

M

Target Key

5706