CVE-2024-12728CWE-1391

A weak credentials vulnerability potentially allows privileged system access via SSH to Sophos Firewall older than version 20.0 MR3 (20.0.3)

Critical · published December 19, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
60.6
In the wild
Unconfirmed
What it is

🚨 A vulnerable SSH credential setup could grant attackers privileged access to your Sophos Firewall — a digital doormat welcoming intruders! 🔥 Think of your firewall as a highly secure bank vault. If the combination is weak, it’s like leaving the vault unlocked — anyone with a little know-how can just walk in and grab the valuables. An attacker could potentially walk right into your network and gain control, leading to unauthorized access, data exposure, or even system manipulation. This could result in devastating breaches that compromise sensitive information and disrupt operations — a nightmare scenario for any organization!

Put simply

Think of your firewall as a highly secure bank vault. If the combination is weak, it’s like leaving the vault unlocked — anyone with a little know-how can just walk in and grab the valuables. This vulnerability arises from weak credentials that fail to enforce strong authentication standards in the SSH protocol for Sophos Firewalls prior to version 20.0 MR3. As a result, attackers can exploit this flaw to gain elevated privileges without proper authentication.

What to do

An attacker could potentially walk right into your network and gain control, leading to unauthorized access, data exposure, or even system manipulation. This could result in devastating breaches that compromise sensitive information and disrupt operations — a nightmare scenario for any organization! Upgrade your Sophos Firewall to version 20.0 MR3 (20.0.3) immediately to patch this critical vulnerability. Additionally, review your SSH configuration to ensure strong passwords and multi-factor authentication are in place to bolster your defenses. You've got this! By taking these steps, you’ll reinforce your defenses and keep your network secure. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00942 · 60.6th percentile
Weakness
CWE-1391 · Use of Weak Credentials
Published
2024-12-19T20:48Z
EPSS history
Timeline
  • 19 DEC 20:48Z
    A weak credentials vulnerability potentially allows privileged system access via SSH to Sophos Firewall older than version 20.0 MR3 (20.0.3)
    cvelistv5