{"id":"CVE-2012-4638","aliases":["EUVD-2012-4563","GHSA-2h33-8gg4-v626"],"status":"published","title":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by...","description":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00293,"percentile":0.22075,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2014-04-23T10:00:00Z","modified":"2026-06-16T23:45:31Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4638"},{"url":"https://github.com/advisories/GHSA-2h33-8gg4-v626"}],"sources":{"cve":[{"id":"CVE-2012-4638","description":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:42:54.987Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4563","description":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:42:54Z","updated_at":"2026-11-03T01:56:07.373412Z"}],"ghsa":[{"id":"GHSA-2h33-8gg4-v626","title":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by...","description":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.","status":"published","published":"2022-05-17T04:46:04Z","modified":"2023-01-28T05:02:28Z","updated_at":"2026-11-02T14:43:47.163465Z"}],"nvd":[{"id":"CVE-2012-4638","description":"Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.","status":"published","published":"2014-04-23T11:52:59.103Z","modified":"2026-06-16T23:45:31.273Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:17.748457Z"}]}}