CVE-2003-0740
UnknownEPSS 0.70%
Last modified
CVE-2003-0740 is a vulnerability of currently unknown severity. Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
Description
Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stunnel | Stunnel | 3.3 |
| Stunnel | Stunnel | 3.4a |
| Stunnel | Stunnel | 3.7 |
| Stunnel | Stunnel | 3.8 |
| Stunnel | Stunnel | 3.9 |
| Stunnel | Stunnel | 3.10 |
| Stunnel | Stunnel | 3.11 |
| Stunnel | Stunnel | 3.12 |
| Stunnel | Stunnel | 3.13 |
| Stunnel | Stunnel | 3.14 |
| Stunnel | Stunnel | 3.15 |
| Stunnel | Stunnel | 3.16 |
| Stunnel | Stunnel | 3.17 |
| Stunnel | Stunnel | 3.18 |
| Stunnel | Stunnel | 3.19 |
| Stunnel | Stunnel | 3.20 |
| Stunnel | Stunnel | 3.21 |
| Stunnel | Stunnel | 3.21a |
| Stunnel | Stunnel | 3.21b |
| Stunnel | Stunnel | 3.21c |
| Stunnel | Stunnel | 3.22 |
| Stunnel | Stunnel | 3.24 |
| Stunnel | Stunnel | 4.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2003-0740?
Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.
How severe is CVE-2003-0740?
Severity scoring for CVE-2003-0740 is pending analysis. The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2003-0740?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2003-0740?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST