CVE-2006-4403 json
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 n…
published 2006-11-30 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4391
- cvss
- 4.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.73% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.0 | AV:N/AC:H/Au:N/C:P/I:N/A:P |
References
-
lists.apple.com
/archives/security-announce/2006/Nov/msg00001.html
vendor-advisory
-
secunia.com
/advisories/23155
third-party-advisory, vendor-advisory
-
osvdb.org
/30734
vdb-entry
-
vupen.com
/english/advisories/2006/4750
vdb-entry
-
securitytracker.com
/id?1017303
vdb-entry
- docs.info.apple.com /article.html?artnum=304829
-
securityfocus.com
/bid/21335
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/30621
vdb-entry
-
kb.cert.org
/vuls/id/371648
third-party-advisory, us-government-resource
-
us-cert.gov
/cas/techalerts/TA06-333A.html
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2006-4403
- NVD CVE-2006-4403
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.