CylanceON-PREM must be configured to use TLS 1.2 or higher.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
high	V-272629	SRG-APP-000014	CYLN-OP-000025	SV-272629r1113430_rule	2025-06-11	1

Description
Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and unknown attacks that exploit vulnerabilities in this protocol. Satisfies: SRG-APP-000014, SRG-APP-000156, SRG-APP-000172, SRG-APP-000179, SRG-APP-000219, SRG-APP-000439, SRG-APP-000440, SRG-APP-000441, SRG-APP-000442, SRG-APP-000560, SRG-APP-000565, SRG-APP-000605, SRG-APP-000645

Description

Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and unknown attacks that exploit vulnerabilities in this protocol. Satisfies: SRG-APP-000014, SRG-APP-000156, SRG-APP-000172, SRG-APP-000179, SRG-APP-000219, SRG-APP-000439, SRG-APP-000440, SRG-APP-000441, SRG-APP-000442, SRG-APP-000560, SRG-APP-000565, SRG-APP-000605, SRG-APP-000645

ℹ️ Check
Verify Cipher configuration. Administrator privileges are required. 1. Log in to the admin console. 2. Navigate to CONFIGURATION >> Settings. 3. Find CylanceON-PREM Info >> Certificate Cipher. If the value is not set to Modern Mode (TLS 1.2+), this is a finding.

✔️ Fix
Configure Cipher. Administrator privileges are required. 1. Log in to the admin console. 2. Navigate to CONFIGURATION >> Settings. 3. Find CylanceON-PREM Info >> Certificate Cipher. 4. Click "Change". 5. Select "Modern Mode (TS 1.2+)". 6. Click "Update".