Skip to main content
CUI

Vulnerability V-251546

Back

V-251546

CAT I

Firefox must be configured to allow only TLS 1.2 or above.

Ships Affected
1
Total Findings
4
Open
0
Closed
4

Check Text

Type "about:policies" in the browser window. If "SSLVersionMin" is not displayed under Policy Name or the Policy Value is not "tls1.2" or "tls1.3", this is a finding.

Fix Text

Windows group policy: 1. Open the group policy editor tool with "gpedit.msc". 2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Mozilla\Firefox\ Policy Name: Minimum SSL version enabled Policy State: Enabled Policy Value: TLS 1.2 (or TLS 1.3) macOS "plist" file: Add the following: <key>SSLVersionMin</key> <string>tls1.2</string> (or <string>tls1.3</string>) Linux "policies.json" file: Add the following in the policies section: "SSLVersionMin": "tls1.2" or ("SSLVersionMin": "tls1.3")

STIG Reference

STIG
Mozilla Firefox Security Technical Implementation Guide
Version
6
Release
7
Rule ID
SV-251546r961869_rule

All Occurrences

This vulnerability appears on 1 ship(s)

Ship Hull # Source File Status Assigned To Scan Date Actions
USNS MONTFORD POINT T-ESD-1 MONT-SW-89134_Firefox_V6R6_20251217-201244.ckl
Unassigned 2026-03-04T15:25:41.899130 View in Context
USNS MONTFORD POINT T-ESD-1 MONT-SW-89108_Firefox_V6R6_20251217-203042.ckl
Unassigned 2026-03-04T15:25:15.868210 View in Context
USNS MONTFORD POINT T-ESD-1 _Reviewed/MONT-WS-92010/Checklist/MONT-WS-92010_Firefox_V6R6_20251023-141154.ckl
Unassigned 2026-01-14T12:57:27.870047 View in Context
USNS MONTFORD POINT T-ESD-1 _Reviewed/MONT-WS-92040/Checklist/MONT-WS-92040_Firefox_V6R6_20251023-142444.ckl
Unassigned 2026-01-14T12:57:25.596878 View in Context
CUI