CVE-2024-21741
📋 TL;DR
This vulnerability in GigaDevice GD32E103C8T6 microcontrollers allows unauthorized access to protected memory regions due to incorrect access control. Attackers can potentially read sensitive data or execute arbitrary code. This affects devices using these specific microcontroller chips.
💻 Affected Systems
- GigaDevice GD32E103C8T6 microcontroller
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing firmware extraction, code execution, and persistent backdoor installation.
Likely Case
Sensitive data extraction including cryptographic keys, firmware secrets, and proprietary algorithms.
If Mitigated
Limited impact if proper physical security and secure boot are implemented.
🎯 Exploit Status
Exploitation requires physical access or debug interface access to the device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
Contact GigaDevice for security updates and firmware patches. Replace affected hardware if patches are unavailable.
🔧 Temporary Workarounds
Disable Debug Interfaces
allDisable JTAG, SWD, and other debug interfaces in production devices
Configure device fuses to disable debug ports
Implement Secure Boot
allAdd secure boot verification to prevent unauthorized code execution
Implement cryptographic signature verification in bootloader
🧯 If You Can't Patch
- Implement physical security controls to prevent unauthorized device access
- Use hardware security modules for critical cryptographic operations
🔍 How to Verify
Check if Vulnerable:
Check device part number for GD32E103C8T6. Attempt to access protected memory regions via debug interface.Check Version:
Read device ID registers via debug interface or check firmware versionVerify Fix Applied:
Verify debug interfaces are disabled and secure boot is properly implemented.📡 Detection & Monitoring
Log Indicators:
- Unauthorized debug interface access attempts
- Memory access violations
Network Indicators:
- Unexpected debug protocol traffic on device interfaces
SIEM Query:
Search for unauthorized physical access to embedded devices or debug interface activity