Service:
alt-service
Protocol:
TCPPort:
17001Used for:
Alternative service on high portWhy It’s Open
Port 17001 is commonly used by Oracle Database listeners, WebLogic Server administration, enterprise application servers, and various high-port alternative services. This port is often chosen to avoid conflicts with standard services and is frequently used in enterprise environments for database connections, application server management, and custom business applications.
Common Risks
- Oracle database exploitation
TNS listener vulnerabilities may allow unauthorized database access - WebLogic administration exposure
Management consoles may have weak authentication or known exploits - Enterprise application vulnerabilities
Business applications may contain security flaws - Information disclosure
Service banners may reveal version and configuration details - Default credentials
Administrative interfaces often use weak default passwords - Remote code execution
Application servers may allow arbitrary code execution - Data exfiltration
Database connections may expose sensitive corporate data
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Enumeration & Testing
Service Detection:
nmap -sV -p 17001Oracle Database Testing:
tnscmd10g version -h -p 17001 tnscmd10g status -h -p 17001WebLogic Server Detection:
curl http://:17001/console curl https://:17001/consoleWhat to Look For
| Checkpoint | What it means |
|---|---|
| Service type identification | Determine if Oracle, WebLogic, or other enterprise service |
| Database listener security | Check Oracle TNS listener configuration and access controls |
| Administrative interfaces | Test WebLogic console and other management interfaces |
| Authentication mechanisms | Verify strong authentication and account policies |
| Encryption status | Ensure data in transit is properly encrypted |
Mitigation
- Secure Oracle configurations
Implement proper TNS listener security and authentication - WebLogic hardening
Secure administration console with strong credentials and SSL - Network segmentation
Isolate database and application servers from public networks - Regular security updates
Keep Oracle and WebLogic installations patched - Access control lists
Implement strict IP-based access restrictions - Monitor database activity
Log all connections and administrative actions - Encrypt communications
Use SSL/TLS for all database and management connections
TL;DR
- Port 17001 = Oracle Database/WebLogic Server with enterprise application risks
- Protocol: TCP
- Used for: Oracle database connections and WebLogic application server
- Security focus: Enterprise database and application server security
Known CVEs and Exploits
- CVE‑2020‑14882 – Oracle WebLogic Server remote code execution vulnerability
- CVE‑2021‑2135 – Oracle Database privilege escalation vulnerability
- WebLogic Default Credentials – Common deployment with weak administrative passwords
- Oracle TNS Listener Information Disclosure – TNS listener revealing database configuration details