How severe is CVE-2024-12728?

CVE-2024-12728 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-12728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-12728?

CVE-2024-12728 affects Sophos Firewall Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-12728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-12728 have an EU (EUVD) identifier?

Yes. CVE-2024-12728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51076.

When was CVE-2024-12728 published?

CVE-2024-12728 was published on 2024-12-19 and last updated on 2026-06-17.

CVE-2024-12728

CVE-2024-12728 is a critical-severity vulnerability in Sophos Firewall Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1391.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-51076
Weakness: CWE-1391
Affected product: Sophos Firewall Firmware
Published: 2024-12-19
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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).
How severe is CVE-2024-12728?: CVE-2024-12728 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-12728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-12728?: CVE-2024-12728 affects Sophos Firewall Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-12728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-12728 have an EU (EUVD) identifier?: Yes. CVE-2024-12728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51076.
When was CVE-2024-12728 published?: CVE-2024-12728 was published on 2024-12-19 and last updated on 2026-06-17.

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20241219-sfos-rce

Affected products (1)

cpe:2.3:o:sophos:firewall_firmware:*:*:*:*:*:*:*:*

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