Sophos Firewall and UTM
CVE-2024-12729: Post-auth code injection in Sophos Firewall
A post-auth code injection vulnerability in the User Portal allows authenticated users to execute code remotely in Sophos Firewall older than version 21.0 MR1 (21.0.1).
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.8
EPSS1.3%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Sophos Firewall 0 | 21.0 MR1 (21.0.1) or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A post-auth code injection vulnerability in the User Portal allows authenticated users to execute code remotely in Sophos Firewall older than version 21.0 MR1 (21.0.1).
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.