{"id":"CVE-2009-2818","aliases":["EUVD-2009-2808","GHSA-mrg5-xx7w-3qcp"],"status":"published","title":"Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in...","description":"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).","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01878,"percentile":0.79574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2009-11-10T19:00:00Z","modified":"2026-06-16T23:10:17Z","products":[{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://www.securityfocus.com/bid/36956","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.vupen.com/english/advisories/2009/3184","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"http://support.apple.com/kb/HT3937","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2818"},{"url":"https://github.com/advisories/GHSA-mrg5-xx7w-3qcp"}],"sources":{"cve":[{"id":"CVE-2009-2818","description":"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).","status":"published","published":"2009-11-10T19:00:00Z","modified":"2024-08-07T06:07:36.515Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2808","description":"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).","status":"published","published":"2009-11-10T19:00:00Z","modified":"2024-08-07T06:07:36Z","updated_at":"2026-11-03T01:39:15.952935Z"}],"ghsa":[{"id":"GHSA-mrg5-xx7w-3qcp","title":"Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in...","description":"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).","status":"published","published":"2022-05-02T03:38:56Z","modified":"2023-01-31T05:08:53Z","updated_at":"2026-11-02T14:49:28.053794Z"}],"nvd":[{"id":"CVE-2009-2818","description":"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).","status":"published","published":"2009-11-10T19:30:01.17Z","modified":"2026-06-16T23:10:17.17Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:37.939838Z"}]}}