STIGQter: STIG Summary: Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

Ubuntu 24.04 LTS must use strong authenticators in establishing nonlocal maintenance and diagnostic sessions.

DISA Rule

SV-270741r1066712_rule

Vulnerability Number

V-270741

Group Title

SRG-OS-000125-GPOS-00065

Rule Version

UBTU-24-500050

Severity

CAT II

CCI(s)

• CCI-000877 - Employ strong authentication in the establishment of nonlocal maintenance and diagnostic sessions.

Weight

10

Fix Recommendation

Configure Ubuntu 24.04 LTS to use strong authentication when establishing nonlocal maintenance and diagnostic sessions.

Add or modify the following line to /etc/ssh/sshd_config:

UsePAM yes

Check Contents

Verify Ubuntu 24.04 LTS is configured to use strong authenticators in the establishment of nonlocal maintenance and diagnostic maintenance with the following command:

$ sudo grep -r ^UsePAM /etc/ssh/sshd_config*
/etc/ssh/sshd_config:UsePAM yes

If "UsePAM" is not set to "yes", conflicting results are returned, the line is commented out, or is missing, this is a finding.

Vulnerability Number

V-270741

Documentable

False

Rule Version

UBTU-24-500050

Severity Override Guidance

Verify Ubuntu 24.04 LTS is configured to use strong authenticators in the establishment of nonlocal maintenance and diagnostic maintenance with the following command:

$ sudo grep -r ^UsePAM /etc/ssh/sshd_config*
/etc/ssh/sshd_config:UsePAM yes

If "UsePAM" is not set to "yes", conflicting results are returned, the line is commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

5673