STIGQter: STIG Summary: VMware vSphere 6.7 ESXi Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The ESXi host SSH daemon must limit connections to a single session.

DISA Rule

SV-239283r674778_rule

Vulnerability Number

V-239283

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-67-000028

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in "/etc/ssh/sshd_config":

MaxSessions 1

Check Contents

From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command:

# grep -i "^MaxSessions" /etc/ssh/sshd_config

If there is no output or the output is not exactly "MaxSessions 1", this is a finding.

Vulnerability Number

V-239283

Documentable

False

Rule Version

ESXI-67-000028

Severity Override Guidance

From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command:

# grep -i "^MaxSessions" /etc/ssh/sshd_config

If there is no output or the output is not exactly "MaxSessions 1", this is a finding.

Check Content Reference

M

Target Key

5326

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