MEDIUM
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
Published Nov 30, 2006
4.0
MEDIUMCVSS 2.0
EPSS 3.61%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.0 MEDIUM NVD
AV:N/AC:H/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.61% 0.03607
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03607
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.61% (0.03607) | 89.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.47% (0.03470) | 87.50th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.80% (0.02797) | 85.16th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.14% (0.06142) | 93.47th | v3 (v2023.03.01) |
| Jan 26, 2024 | 4.77% (0.04768) | 91.92th | v3 (v2023.03.01) |
| Dec 19, 2023 | 4.73% (0.04731) | 91.81th | v3 (v2023.03.01) |
| Nov 11, 2023 | 3.54% (0.03536) | 90.53th | v3 (v2023.03.01) |
| Oct 4, 2023 | 3.21% (0.03215) | 90.03th | v3 (v2023.03.01) |
| Aug 27, 2023 | 3.11% (0.03113) | 89.80th | v3 (v2023.03.01) |
| May 4, 2023 | 3.08% (0.03081) | 89.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.81% (0.02810) | 89.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://docs.info.apple.com/article.html?artnum=304829 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/23155 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1017303 vdb-entryx_refsource_SECTRACK
- http://www.kb.cert.org/vuls/id/371648 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.osvdb.org/30734 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/21335 vdb-entryx_refsource_BID
- http://www.us-cert.gov/cas/techalerts/TA06-333A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2006/4750 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30621 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://docs.info.apple.com/article.html?artnum=304829 | x_refsource_CONFIRM | |
| http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html | vendor-advisoryx_refsource_APPLE | |
| http://secunia.com/advisories/23155 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1017303 | vdb-entryx_refsource_SECTRACK | |
| http://www.kb.cert.org/vuls/id/371648 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.osvdb.org/30734 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/21335 | vdb-entryx_refsource_BID | |
| http://www.us-cert.gov/cas/techalerts/TA06-333A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2006/4750 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/30621 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 30, 2006
Updated Aug 7, 2024
Reserved Aug 28, 2006
Link CVE-2006-4403
CISA Vulnrichment
Updated n/a