CVE-2025-41715

9.8 CRITICAL

📋 TL;DR

This vulnerability exposes a web application's database without authentication, allowing unauthenticated remote attackers to directly access and potentially compromise sensitive data. All systems running the affected web application with its database exposed to the network are vulnerable.

💻 Affected Systems

Products:
  • Web application with exposed database
Versions: All versions with exposed database configuration
Operating Systems: All operating systems
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists when database is configured to accept connections without authentication and is network-accessible.

⚠️ 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 database compromise leading to data theft, data destruction, privilege escalation, and full system takeover.

🟠

Likely Case

Unauthorized data access and extraction of sensitive information like user credentials, personal data, and business records.

🟢

If Mitigated

Limited impact if database is isolated behind proper network segmentation and authentication controls.

🌐 Internet-Facing: HIGH - Direct exposure to internet allows any remote attacker to access the database without authentication.
🏢 Internal Only: MEDIUM - Internal attackers or compromised internal systems could still exploit this vulnerability.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires only network access to the database port and knowledge of database type/connection method.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: N/A

Vendor Advisory: https://certvde.com/de/advisories/VDE-2025-087

Restart Required: No

Instructions:

1. Implement database authentication. 2. Configure firewall rules to restrict database access. 3. Move database to internal network segment. 4. Update web application configuration to use authenticated connections.

🔧 Temporary Workarounds

Network Access Restriction

all

Configure firewall to block external access to database port

iptables -A INPUT -p tcp --dport 3306 -j DROP
netsh advfirewall firewall add rule name="Block DB Port" dir=in action=block protocol=TCP localport=3306

Database Authentication Enforcement

all

Enable and require authentication for all database connections

mysql -u root -p -e "ALTER USER 'root'@'%' IDENTIFIED BY 'strong_password';"
psql -c "ALTER USER postgres WITH PASSWORD 'strong_password';"
mongosh --eval "db.createUser({user: 'admin', pwd: 'strong_password', roles: ['root']})"

🧯 If You Can't Patch

  • Implement network segmentation to isolate database from untrusted networks
  • Deploy database activity monitoring and intrusion detection systems

🔍 How to Verify

Check if Vulnerable:

Attempt to connect to database port (e.g., 3306 for MySQL, 5432 for PostgreSQL) from external network without credentials using tools like telnet, nc, or database clients.

Check Version:

Check web application and database version: mysql --version, psql --version, or application-specific version command.

Verify Fix Applied:

Test database connection attempts from external networks - they should fail authentication or be blocked. Verify authentication is required for all connections.

📡 Detection & Monitoring

Log Indicators:

  • Failed authentication attempts from unknown IPs
  • Successful connections without authentication
  • Unusual database queries from external IPs

Network Indicators:

  • External connections to database port
  • Database protocol traffic from internet sources
  • Unencrypted database traffic

SIEM Query:

source_ip IN (external_ips) AND dest_port IN (3306, 5432, 27017) AND (auth_failure OR no_auth)

🔗 References

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