{"id":"CVE-2006-4982","aliases":["EUVD-2006-4968","GHSA-9qgh-fw7f-c6jp"],"status":"published","title":"Cisco NAC maintains an exception list that does not record device properties other than MAC...","description":"Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00367,"percentile":0.30796,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-09-26T01:43:00Z","modified":"2026-06-16T22:30:15Z","products":[{"vendor":"cisco","product":"network_access_control"}],"references":[{"url":"http://www.securityfocus.com/archive/1/446421/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.osvdb.org/30978","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-4982"},{"url":"https://github.com/advisories/GHSA-9qgh-fw7f-c6jp"}],"sources":{"cve":[{"id":"CVE-2006-4982","description":"Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.","status":"published","published":"2006-09-26T01:43:00Z","modified":"2024-08-07T19:32:22.709Z","updated_at":"2026-11-02T14:33:51.470623Z"}],"euvd":[{"id":"EUVD-2006-4968","description":"Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.","status":"published","published":"2006-09-26T01:43:00Z","modified":"2024-08-07T19:32:22Z","updated_at":"2026-11-03T01:15:49.872879Z"}],"ghsa":[{"id":"GHSA-9qgh-fw7f-c6jp","title":"Cisco NAC maintains an exception list that does not record device properties other than MAC...","description":"Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.","status":"published","published":"2022-05-01T07:23:47Z","modified":"2023-01-31T05:02:11Z","updated_at":"2026-11-02T14:48:12.466034Z"}],"nvd":[{"id":"CVE-2006-4982","description":"Cisco NAC maintains an exception list that does not record device properties other than MAC address, which allows physically proximate attackers to bypass control methods and join a local network by spoofing the MAC address of a different type of device, as demonstrated by using the MAC address of a disconnected printer.","status":"published","published":"2006-09-26T02:07:00Z","modified":"2026-06-16T22:30:15.05Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:06.675668Z"}]}}