STIGQter: STIG Summary: Ivanti Connect Secure VPN Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 01 Oct 2025:

The ICS must be configured to uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).

DISA Rule

SV-258588r930452_rule

Vulnerability Number

V-258588

Group Title

SRG-NET-000138-VPN-000490

Rule Version

IVCS-VN-000180

Severity

CAT II

CCI(s)

• CCI-000764 - Uniquely identify and authenticate organizational users and associate that unique identification with processes acting on behalf of those users.

Weight

10

Fix Recommendation

Configure an authentication server for the user realm.

In the ICS Web UI, navigate to Users >> User Realms >> User Realms.
1. Click the user realm that is currently being used on the ICS for standard remote access VPN logins.
2. In the "General" tab, under Servers >> Authentication.
3. Click "New Servers". Under "server type", select Certificate Server >> New Server.
4. Type a Name, then under User Name template type this exactly: <certAttr.altname.UPN>
5. Click "Save Changes".
6. Navigate to Authentication >> Auth Servers.
7. Click "New Servers". Under "server type", select LDAP Server >> New Server.
8. Type a name for the primary LDAP server domain.
9. LDAP server: the FQDN of the server (an IP address may cause an error as the LDAP server certificate might not have an IP in the SAN field).
10. LDAP port: 636 (this is for LDAPS).
11. Backup LDAP Server1: the FQDN of the secondary server (an IP address may cause an error as the LDAP server certificate might not have an IP in the SAN field).
12. Backup LDAP Port1: 636.
13. If a third LDAP server is needed, add this and the port info under Backup LDAP Server2 and Backup LDAP Port2.
14. LDAP Server Type: Active Directory.
15. Connection: LDAPS.
16. Ensure "Validate Server Certificate" is checked.
17. Connection Timeout: 15.
18. Search Timeout: 60.
19. Scroll down to the bottom and click "Save Changes". Click "Test Settings" to ensure valid communications are possible.
NOTE: If there are failures in this testing, ensure that the step for Device Certificates and Trusted Server CAs were completed, as this will cause LDAPS certificate issues.
20. Under "authentication required", click the box for "Authentication required" to search LDAP.
21. Enter the service account's Admin DN using this as an example format: CN=PCS.SVC,OU=IVANTI,DC=DOD,DC=mil
22. Enter the service account's password.
23. Under "Finding user entries", add the base DN of the domain as an example format: DC=DOD,DC=mil
24. Under "filter", use this specific attribute configuration: userPrincipalName=<USER>
25. Under "group membership", add the base DN of where admin users that will access, using this as an example format: OU=IVANTI,DC=DOD,DC=mil
26. Under "filter", use the following: cn=<GROUPNAME>
27. Under "member attribute", use the following: member.
28. Click "Save Changes".
29. In the same LDAP server configuration screen, scroll down and click the "Server Catalog" hyperlink.
30. Under "attributes", click "New", Type: userPrincipalName, and click "Save Changes".
31. Under "groups", click "Search". In the search box, type the group name used for user logins.
32. Check the box next to the group that is found and click "Add Selected".
33. Repeat these steps for all various groups needed for various user/computer roles on the ICS system.
34. Click "Save Changes".

Check Contents

In the ICS Web UI, navigate to Users >> User Realms >> User Realms.
1. Click the user realm that is currently being used on the ICS for standard remote access VPN logins.
2. View "General" tab, under Servers >> Authentication. Verify a certificate authentication server is configured.
3. View "General" tab, under Servers >> Directory/Attribute. Verify there is an entry defined.
4. View "Role Mapping" tab, under "when users meet these conditions", verify "Group" is used with the local user active directory group selected and assigned to the role that was created.

If the ICS does not use DOD PKI for network access to nonprivileged accounts, this is a finding.

Vulnerability Number

V-258588

Documentable

False

Rule Version

IVCS-VN-000180

Severity Override Guidance

In the ICS Web UI, navigate to Users >> User Realms >> User Realms.
1. Click the user realm that is currently being used on the ICS for standard remote access VPN logins.
2. View "General" tab, under Servers >> Authentication. Verify a certificate authentication server is configured.
3. View "General" tab, under Servers >> Directory/Attribute. Verify there is an entry defined.
4. View "Role Mapping" tab, under "when users meet these conditions", verify "Group" is used with the local user active directory group selected and assigned to the role that was created.

If the ICS does not use DOD PKI for network access to nonprivileged accounts, this is a finding.

Check Content Reference

M

Target Key

5559