CVE-2023-7265
📋 TL;DR
A permission verification vulnerability in the lock screen module allows attackers to bypass lock screen protections under certain conditions. This affects Huawei device users who haven't applied security updates. Successful exploitation could temporarily disrupt device availability.
💻 Affected Systems
- Huawei smartphones and tablets
📦 What is this software?
Emui by Huawei
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
An attacker with physical access could bypass the lock screen to access the device, potentially exposing sensitive data or installing malware.
Likely Case
Limited availability impact where an attacker could temporarily lock legitimate users out of their device or cause lock screen malfunctions.
If Mitigated
With proper security updates applied, the vulnerability is eliminated and lock screen protections function as intended.
🎯 Exploit Status
Exploitation requires physical device access and specific conditions; no public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security updates for specific device models
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2024/8/
Restart Required: Yes
Instructions:
1. Check for security updates in device Settings > System & updates > Software update. 2. Download and install available updates. 3. Restart device as prompted.
🔧 Temporary Workarounds
Enable enhanced lock screen security
allUse biometric authentication (fingerprint/face unlock) instead of PIN/pattern only
Disable lock screen shortcuts
allRemove emergency call or camera shortcuts from lock screen if available
🧯 If You Can't Patch
- Implement strict physical security controls for devices
- Enable remote wipe capabilities and enforce strong authentication policies
🔍 How to Verify
Check if Vulnerable:
Check device Settings > About phone > Build number against Huawei's patched versions listCheck Version:
Not applicable - check via device Settings interfaceVerify Fix Applied:
Verify security patch level in Settings > About phone shows August 2024 or later📡 Detection & Monitoring
Log Indicators:
- Multiple failed unlock attempts followed by successful access
- Unusual lock screen bypass patterns
Network Indicators:
- None - local physical attack vector
SIEM Query:
Not applicable for this local physical vulnerability