CVE-2006-4390

Name: CVE-2006-4390
Creator: NVD / NIST
Published: 2006-10-03T04:02:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.73%

Last modified Jun 16, 2026

CVE-2006-4390 is a vulnerability of currently unknown severity. CFNetwork in Apple Mac OS X 10.4 through 10.4.7 and 10.3.9 allows remote SSL sites to appear as trusted sites by using encryption without authentication, which can cause the lock icon in Safari to be displayed even when the site's identity cannot be trusted.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

CFNetwork in Apple Mac OS X 10.4 through 10.4.7 and 10.3.9 allows remote SSL sites to appear as trusted sites by using encryption without authentication, which can cause the lock icon in Safari to be displayed even when the site's identity cannot be trusted.

Metrics

EPSS Probability

0.73%

49.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	10.3.9
Apple	Mac Os X	10.4
Apple	Mac Os X	10.4.1
Apple	Mac Os X	10.4.2
Apple	Mac Os X	10.4.3
Apple	Mac Os X	10.4.4
Apple	Mac Os X	10.4.5
Apple	Mac Os X	10.4.6
Apple	Mac Os X	10.4.7

References

Timeline

Published: Oct 3, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-4390?

How severe is CVE-2006-4390?

Severity scoring for CVE-2006-4390 is pending analysis. The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2006-4390?

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.

Are you affected by CVE-2006-4390?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST