Q: Is it fixed officially? (Patch/Mitigation)

✅ **Official Fix**: **Yes**. <br>🛠️ **Patch**: Upgrade to **Sophos Firewall version 21.0.2** or later. <br>📖 **Ref**: See Sophos Security Advisory SA-20250721-SFOS-RCE.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⏳ **Priority**: **Immediate Action Required**. <br>📉 **Risk**: High CVSS score + No Auth Required + RCE capability = Must patch ASAP.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: A critical SQL Injection (SQLi) flaw in the SMTP proxy.
💥 **Consequences**: Attackers can achieve **Remote Code Execution (RCE)**. This is a severe breach allowing full system compromise.

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🔍 **Root Cause**: **CWE-89** (SQL Injection).
⚠️ **Flaw**: The SMTP proxy fails to properly sanitize user inputs before processing SQL queries, allowing malicious payloads to execute.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

🛡️ **Affected**: **Sophos Firewall**.
📅 **Version**: All versions **prior to 21.0.2**. If you are running an older build, you are at risk.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

💀 **Hacker Power**:
🔓 **Privileges**: Full system access via RCE.
📂 **Data**: Complete confidentiality and integrity loss. The CVSS score indicates **High** impact on all security metrics.

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚡ **Exploitation Threshold**: **LOW**.
🌐 **Network**: Attack Vector is **Network (AV:N)**.
🔑 **Auth**: **No Privileges Required (PR:N)**.
👁️ **UI**: **No User Interaction (UI:N)**.…

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

📦 **Public Exploit**: **No**.
🚫 **Status**: The `pocs` list is empty. No public Proof-of-Concept (PoC) or wild exploitation code is currently available.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔎 **Self-Check**:
1. Check your Sophos Firewall version.
2. Verify if it is **< 21.0.2**.
3. Scan for SMTP proxy configurations exposed to the network.

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Official Fix**: **Yes**.
🛠️ **Patch**: Upgrade to **Sophos Firewall version 21.0.2** or later.
📖 **Ref**: See Sophos Security Advisory SA-20250721-SFOS-RCE.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch Workaround**:
🚫 **Block SMTP**: Restrict access to the SMTP proxy service.
🛑 **WAF**: Use Web Application Firewalls to filter SQL injection patterns in SMTP traffic.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **CRITICAL**.
⏳ **Priority**: **Immediate Action Required**.
📉 **Risk**: High CVSS score + No Auth Required + RCE capability = Must patch ASAP.

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CVE-2025-7624 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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