CVE-2025-56447

9.8 CRITICAL

📋 TL;DR

TM2 Monitoring v3.04 contains an authentication bypass vulnerability that allows attackers to access the system without valid credentials, combined with plaintext credential disclosure that exposes user passwords. This affects all organizations using TM2 Monitoring v3.04. Attackers can gain administrative access to monitoring systems.

💻 Affected Systems

Products:
  • TM2 Monitoring
Versions: v3.04
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of TM2 Monitoring v3.04 are vulnerable regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing attackers to access all monitored systems, steal credentials, deploy ransomware, or disrupt critical monitoring infrastructure.

🟠

Likely Case

Unauthorized access to monitoring dashboards, credential theft leading to lateral movement within the network, and potential data exfiltration.

🟢

If Mitigated

Limited impact if system is isolated behind strict network controls, but authentication bypass still presents significant risk.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Proof of concept code is publicly available on GitHub, making exploitation trivial for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Unknown

Restart Required: No

Instructions:

No official patch available. Contact TM2 vendor for updated version or security advisory.

🔧 Temporary Workarounds

Network Isolation

linux

Restrict access to TM2 Monitoring to trusted IP addresses only

iptables -A INPUT -p tcp --dport [TM2_PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [TM2_PORT] -j DROP

Web Application Firewall Rules

all

Implement WAF rules to block authentication bypass attempts

🧯 If You Can't Patch

  • Immediately isolate TM2 Monitoring system from internet and restrict internal network access
  • Implement multi-factor authentication at network perimeter and monitor for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check if running TM2 Monitoring v3.04 via web interface or configuration files

Check Version:

Check web interface footer or configuration files for version information

Verify Fix Applied:

Test authentication bypass using POC from GitHub repository

📡 Detection & Monitoring

Log Indicators:

  • Failed authentication attempts followed by successful access
  • Access from unusual IP addresses
  • Multiple authentication attempts with invalid credentials

Network Indicators:

  • HTTP requests to authentication endpoints with unusual parameters
  • Traffic patterns indicating credential harvesting

SIEM Query:

source="tm2_monitoring.log" AND (event_type="auth_failure" OR event_type="auth_bypass")

🔗 References

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