What is CVE-2024-12728?

CVE-2024-12728 is a critical-severity vulnerability in Sophos Firewall, classified under CWE-1391. CVSS score: 9.8/10. Published 2024-12-19.

How severe is CVE-2024-12728?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Sophos Firewall

CVE-2024-12728

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

Published 2024-12-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-1391

References

www.sophos.com/en-us/security-advisories/sophos-sa-20241219-sfos-rce (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-12728?: CVE-2024-12728 is a critical-severity vulnerability in Sophos Firewall, classified under CWE-1391. CVSS score: 9.8/10. Published 2024-12-19.
How severe is CVE-2024-12728?: Critical severity. CVSS v3 base score is 9.8 out of 10.