LIVE NEWSROOM · --:-- · May 25, 2026
A LIBRARY FOR SECURITY RESEARCHERS

CVE DATABASE  /  CVE-2003-0740

CVE-2003-0740

CVSS 4.6 · MEDIUM

Summary

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.

CVSS 2.0 breakdown

Base score4.6 (MEDIUM)
VectorAV:L/AC:L/Au:N/C:P/I:P/A:P
Attack vectorLOCAL
Attack complexityLOW
ConfidentialityPARTIAL
IntegrityPARTIAL
AvailabilityPARTIAL

Affected products

Stunnel stunnel
Check this CVE live

Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.

References

Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.

Scroll to Top