CVE-2006-4403

no score yetEPSS 3.7%

The FTP server in Apple Mac OS X 10.4.8 and earlier, when FTP Access is enabled, will crash when a login failure occurs with a valid user name, which allows remote attackers to cause a denial of service (crash) and enumerate valid usernames.

EPSS: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
Published: 2006-11-30
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

http://docs.info.apple.com/article.html?artnum=304829
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
http://secunia.com/advisories/23155
http://securitytracker.com/id?1017303
http://www.kb.cert.org/vuls/id/371648

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