CVE-2024-12137
📋 TL;DR
This authentication bypass vulnerability in Elfatek Elektronics ANKA JPD-00028 allows attackers to hijack user sessions by capturing and replaying authentication data. It affects all ANKA JPD-00028 devices running firmware versions before V.01.01. Attackers can gain unauthorized access to device management interfaces.
💻 Affected Systems
- Elfatek Elektronics ANKA JPD-00028
⚠️ 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 compromise of device management, allowing attackers to reconfigure industrial control systems, disable safety features, or use the device as an entry point to internal networks.
Likely Case
Unauthorized access to device configuration, potential data exfiltration, and disruption of industrial processes controlled by the device.
If Mitigated
Limited impact if network segmentation prevents external access and strong authentication controls are in place beyond the vulnerable mechanism.
🎯 Exploit Status
Requires ability to capture authentication traffic (network sniffing) and replay it. No authentication needed for the replay attack itself once credentials are captured.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: V.01.01 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0071
Restart Required: No
Instructions:
1. Contact Elfatek Elektronics for firmware update V.01.01 or later. 2. Download the firmware from official vendor sources. 3. Follow vendor instructions to apply firmware update to ANKA JPD-00028 devices.
🔧 Temporary Workarounds
Network Segmentation
allIsolate ANKA JPD-00028 devices on separate VLANs with strict firewall rules to prevent unauthorized network access.
Encrypted Communication
allImplement VPN or TLS encryption for all communication with the device to prevent credential capture.
🧯 If You Can't Patch
- Implement strict network access controls allowing only authorized management stations to communicate with the device
- Monitor network traffic for authentication replay attempts and implement session timeout policies
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or serial console. If version is below V.01.01, device is vulnerable.Check Version:
Check via web interface at device IP or use vendor-specific CLI commands if availableVerify Fix Applied:
After updating, verify firmware version shows V.01.01 or higher in device management interface.📡 Detection & Monitoring
Log Indicators:
- Multiple authentication attempts from same source with identical credentials
- Authentication from unusual IP addresses
- Session establishment without proper login sequence
Network Indicators:
- Repeated identical authentication packets
- Authentication traffic from unexpected network segments
- Unencrypted authentication traffic to device ports
SIEM Query:
source_ip=* AND dest_ip=ANKA_DEVICE_IP AND (protocol="http" OR protocol="telnet") AND event_type="authentication" AND count>5 within 60s