CVE-2024-12286
📋 TL;DR
CVE-2024-12286 allows attackers to gain SSH access to MOBATIME Network Master Clock DTS 4801 devices using default credentials. This affects organizations using these time synchronization devices with unchanged factory settings. Attackers can achieve full system compromise.
💻 Affected Systems
- MOBATIME Network Master Clock DTS 4801
⚠️ 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 takeover leading to time manipulation across synchronized systems, network pivoting to critical infrastructure, and disruption of time-dependent operations.
Likely Case
Unauthorized access to device configuration, potential data exfiltration, and use as foothold for lateral movement within industrial networks.
If Mitigated
Limited to failed authentication attempts if strong credentials and network segmentation are implemented.
🎯 Exploit Status
Simple SSH login with default credentials. No special tools required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-345-01
Restart Required: No
Instructions:
1. Change default SSH credentials immediately. 2. Disable SSH if not required. 3. Implement network access controls.
🔧 Temporary Workarounds
Change Default SSH Credentials
allReplace factory default SSH username and password with strong credentials
ssh admin@device_ip
passwd (when prompted)
Disable SSH Service
linuxTurn off SSH if remote administration is not required
systemctl stop sshd
systemctl disable sshd
🧯 If You Can't Patch
- Implement strict network segmentation to isolate device from untrusted networks
- Deploy network-based intrusion detection to monitor for SSH brute force attempts
🔍 How to Verify
Check if Vulnerable:
Attempt SSH login using known default credentials (check vendor documentation for defaults)Check Version:
ssh admin@device_ip 'uname -a'Verify Fix Applied:
Verify SSH login fails with default credentials and only succeeds with new strong credentials📡 Detection & Monitoring
Log Indicators:
- Failed SSH authentication attempts from multiple IPs
- Successful SSH login with default usernames
Network Indicators:
- SSH connection attempts to device on port 22
- Unusual outbound connections from device
SIEM Query:
source="device_logs" AND (event="ssh_failed" OR event="ssh_success") AND (user="admin" OR user="root")