If an unmanaged third-party VPN client is installed on the iOS device, it must not be configured with a DoD network (work) VPN profile.

From Apple iOS 11 Security Technical Implementation Guide

Associated with: CCI-000068

SV-93145r1_rule If an unmanaged third-party VPN client is installed on the iOS device, it must not be configured with a DoD network (work) VPN profile.

Vulnerability discussion

Access to the DoD network must be limited for unmanaged apps because they are considered untrusted.SFR ID: FMT_SMF_EXT.1.1 #3

Check content

Review the list of unmanaged apps installed on the iOS device and determine if any third-party VPN clients are installed. If yes, verify the VPN app is not configured with a DoD network (work) VPN profile. This validation procedure is performed on the iOS device only. On the iOS device, do the following: 1. Under Settings, VPN look for to see if any "Personal VPN" exists. 2. If yes, open each VPN app in turn. Review the list of VPN profiles configured on the VPN client. 3. Verify there are no DoD network VPN profiles configured on the VPN client. If any third-party unmanaged VPN apps are installed (personal VPN) and has a DoD network VPN profile configured on the client, this is a finding. Note: This setting cannot be managed by the MDM administrator and is a User Based Enforcement (UBE) requirement.

Fix text

If a third-party unmanaged VPN app is installed on the iOS 11 device, do not configure the VPN app with a DoD network VPN profile.

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