CVE-2025-7624Network attack vector

Remote code execution via SMTP proxy SQL injection

Published Jul 21, 2025 · Updated Jul 21, 2025

SQL injection in Sophos Firewall's legacy transparent SMTP proxy before 21.0 MR2 allows remote attackers to execute arbitrary code. Sophos has not published the affected SQL statement, input field, or missing neutralization step beyond identifying the proxy as the flaw's locus. Exploitation requires an active email-quarantine policy and an SFOS installation upgraded from before 21.0 GA.

CVSS severity9.8
Critical
EPSS probability8.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Sophos Firewall's legacy transparent SMTP proxy before 21.0 MR2 allows remote attackers to execute arbitrary code. Sophos has not published the affected SQL statement, input field, or missing neutralization step beyond identifying the proxy as the flaw's locus. Exploitation requires an active email-quarantine policy and an SFOS installation upgraded from before 21.0 GA.

The record

CVE
CVE-2025-7624
Published
Jul 21, 2025
Updated
Jul 21, 2025
Vendor
Sophos
Product
Sophos Firewall
Classifications
CWE-89, CAPEC-66, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <21.0 MR2 (21.0.2)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Sophos · Sophos Firewallversion=0 <21.0 MR2 (21.0.2)

Published CVSS scores

9.8SophosCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC-66SQL Injection
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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