CVE-2024-39671 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Access control flaw in Huawei EMUI/HarmonyOS security module. 📉 **Consequences**: Critical breach of service confidentiality. Data privacy is compromised.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-840 (Improper Control of a Resource Temporary). ❌ **Flaw**: Broken access control logic in the security verification module.

Q: Who is affected? (Versions/Components)

📱 **Affected**: Huawei EMUI & Huawei HarmonyOS. 🏢 **Vendor**: Huawei. 🌏 **Region**: Primarily Chinese market devices.

Q: What can hackers do? (Privileges/Data)

💻 **Hackers Can**: Access sensitive services. 🔓 **Privileges**: Full impact on Confidentiality, Integrity, and Availability. 📊 **CVSS**: 9.8 (Critical).

Q: Is exploitation threshold high? (Auth/Config)

🔑 **Threshold**: Low. 🚫 **Auth**: No privileges required (PR:N). 📱 **UI**: No user interaction needed (UI:N). 📡 **Vector**: Local access (AV:L).

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

🚫 **Public Exp?**: No PoCs listed. 📦 **Wild Exp**: Unconfirmed. ⚠️ **Status**: Theoretical risk until proof emerges.

Q: How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Huawei EMUI/HarmonyOS versions. 📋 **Feature**: Look for security module access control logs. 🛠️ **Tool**: Vendor security scanners.

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

✅ **Fixed?**: Yes. 📅 **Date**: July 25, 2024. 📢 **Source**: Huawei Consumer Support Bulletin. 🔄 **Action**: Update OS immediately.

Q: What if no patch? (Workaround)

🛑 **No Patch?**: Isolate device. 🚫 **Restrict**: Limit local access. 📉 **Monitor**: Watch for unauthorized service access. 🔄 **Wait**: Apply official patch ASAP.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH. 🚨 **Priority**: Critical (CVSS 9.8). 🏃 **Action**: Patch immediately. 📉 **Risk**: High impact on data confidentiality.

Updated May 08, 2026 CVSS 9.3 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Access control flaw in Huawei EMUI/HarmonyOS security module. 📉 **Consequences**: Critical breach of service confidentiality. Data privacy is compromised.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-840 (Improper Control of a Resource Temporary). ❌ **Flaw**: Broken access control logic in the security verification module.

Q3Who is affected? (Versions/Components)

📱 **Affected**: Huawei EMUI & Huawei HarmonyOS. 🏢 **Vendor**: Huawei. 🌏 **Region**: Primarily Chinese market devices.

Q4What can hackers do? (Privileges/Data)

💻 **Hackers Can**: Access sensitive services. 🔓 **Privileges**: Full impact on Confidentiality, Integrity, and Availability. 📊 **CVSS**: 9.8 (Critical).

Q5Is exploitation threshold high? (Auth/Config)

🔑 **Threshold**: Low. 🚫 **Auth**: No privileges required (PR:N). 📱 **UI**: No user interaction needed (UI:N). 📡 **Vector**: Local access (AV:L).

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

🚫 **Public Exp?**: No PoCs listed. 📦 **Wild Exp**: Unconfirmed. ⚠️ **Status**: Theoretical risk until proof emerges.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Huawei EMUI/HarmonyOS versions. 📋 **Feature**: Look for security module access control logs. 🛠️ **Tool**: Vendor security scanners.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: Yes. 📅 **Date**: July 25, 2024. 📢 **Source**: Huawei Consumer Support Bulletin. 🔄 **Action**: Update OS immediately.

Q9What if no patch? (Workaround)

🛑 **No Patch?**: Isolate device. 🚫 **Restrict**: Limit local access. 📉 **Monitor**: Watch for unauthorized service access. 🔄 **Wait**: Apply official patch ASAP.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH. 🚨 **Priority**: Critical (CVSS 9.8). 🏃 **Action**: Patch immediately. 📉 **Risk**: High impact on data confidentiality.

Continue exploring

Vulnerability detail Full AI analysis (login) Huawei CWE-840