CVE-2020-25223KEV · OVERDUE

Sophos SG UTM Remote Code Execution Vulnerability

Critical · published September 25, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1653
days past CISA
deadline
CVSS v3.1
9.8
EPSS
97%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A remote code execution vulnerability in Sophos SG UTM could let attackers take full control of your systems! 🔥 Think of it like a hotel receptionist with a master key who opens up every room without checking who asks for it. If left unpatched, an attacker can waltz right in and access everything, just as if they had the key to the entire building! An attacker could exploit this flaw to execute arbitrary code on the server, allowing them to manipulate settings, steal sensitive data, or even disrupt operations. This is absolutely devastating for any organization using affected versions, as it gives the attacker virtually unlimited access – like handing over the keys to the kingdom!

Put simply

Think of it like a hotel receptionist with a master key who opens up every room without checking who asks for it. If left unpatched, an attacker can waltz right in and access everything, just as if they had the key to the entire building! This vulnerability exists in the WebAdmin interface of Sophos SG UTM, where improper validation allows remote attackers to execute code simply by sending specially crafted requests. Versions before v9.705 MR5, v9.607 MR7, and v9.511 MR11 are affected.

What to do

An attacker could exploit this flaw to execute arbitrary code on the server, allowing them to manipulate settings, steal sensitive data, or even disrupt operations. This is absolutely devastating for any organization using affected versions, as it gives the attacker virtually unlimited access – like handing over the keys to the kingdom! To safeguard your network, upgrade to the latest version of Sophos SG UTM (at least v9.705 MR5, v9.607 MR7, or v9.511 MR11). Also, ensure your firewall settings are correctly configured to limit access to WebAdmin to trusted IP addresses only. Don’t forget to change default credentials if you haven’t already! You’ve got this! With a few quick updates, you’ll lock this down tight and boost your security posture! 🛡️

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
0.96753 · 99.9th percentile
Published
2020-09-25T00:00Z
KEV added
2022-03-25 · due 2022-04-15
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 25 SEP 00:00Z
    A remote code execution vulnerability exists in the WebAdmin of Sophos SG UTM before v9.705 MR5, v9.607 MR7, and v9.511 MR11
    cvelistv5