← Port Encyclopedia
5432
PostgreSQL
TCP
Database
Critical Risk
PostgreSQL — relational database, SQL injection, privilege escalation
🔍 How to Scan Port 5432
nmap -sV -p 5432 target
nmap -sV -sC --script=banner -p 5432 target
nc -zv target 5432
🛡️ Security Considerations
- Scan port 5432 with
nmap -sVto identify the exact service and version - If PostgreSQL is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit postgresqlto find known exploits - Monitor traffic on port 5432 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation