The ICS must be configured to transmit only encrypted representations of passwords.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
high	V-258615	SRG-APP-000172-NDM-000259	IVCS-NM-000450	SV-258615r961029_rule	2024-09-16	2

Description
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. This is applicable to the account of last resort which uses a password. Secure password while in transit for admin access.

ℹ️ Check
In the ICS Web UI, navigate to System >> Configuration >> Inbound SSL Options. Under "Allowed SSL and TLS Version", if "Accept only TLS 1.2 (maximize security)" is checked. Navigate to System >> Configuration >> Outbound SSL Options. Under "Allowed SSL and TLS Version", if "Accept only TLS 1.2 (maximize security)" is checked. If the ICS does not transmit only encrypted representations of passwords, this is a finding.

ℹ️ Check

In the ICS Web UI, navigate to System >> Configuration >> Inbound SSL Options. Under "Allowed SSL and TLS Version", if "Accept only TLS 1.2 (maximize security)" is checked. Navigate to System >> Configuration >> Outbound SSL Options. Under "Allowed SSL and TLS Version", if "Accept only TLS 1.2 (maximize security)" is checked. If the ICS does not transmit only encrypted representations of passwords, this is a finding.

✔️ Fix
In the ICS Web UI, navigate to System >> Configuration >> Inbound SSL Options. 1. Under "Allowed SSL and TLS Version", check the box for "Accept only TLS 1.2 (maximize security)". 2. Click "Save Changes". 3. Click "Proceed" for acceptance of Cipher Change. Navigate to System >> Configuration >> Outbound SSL Options. 1. Under "Allowed SSL and TLS Version", check the box for "Accept only TLS 1.2 (maximize security)". 2. Click "Save Changes". 3. Click "Proceed" for acceptance of Cipher Change.

✔️ Fix

In the ICS Web UI, navigate to System >> Configuration >> Inbound SSL Options. 1. Under "Allowed SSL and TLS Version", check the box for "Accept only TLS 1.2 (maximize security)". 2. Click "Save Changes". 3. Click "Proceed" for acceptance of Cipher Change. Navigate to System >> Configuration >> Outbound SSL Options. 1. Under "Allowed SSL and TLS Version", check the box for "Accept only TLS 1.2 (maximize security)". 2. Click "Save Changes". 3. Click "Proceed" for acceptance of Cipher Change.