CVE-2009-2818 json
Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier f…
published 2009-11-10 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2808
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier for remote attackers to obtain login access via a brute-force attack (aka dictionary attack).
Patch / fix
- securityfocus.com/bid/36956 patch
- support.apple.com/kb/HT3937 advisory
Exploit prediction
1.88% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
References
-
securityfocus.com
/bid/36956
vdb-entry, patch
-
support.apple.com
/kb/HT3937
patch, vendor-advisory
-
lists.apple.com
/archives/security-announce/2009/Nov/msg00000.html
vendor-advisory
-
vupen.com
/english/advisories/2009/3184
vdb-entry
Sources
- CVE List CVE-2009-2818
- NVD CVE-2009-2818
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