{"id":"CVE-2012-3893","aliases":["EUVD-2012-3837","GHSA-wwff-vvq2-6hmg"],"status":"published","title":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause...","description":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.","severity":{"version":"2.0","score":6.3,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00933,"percentile":0.60971,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-09-16T10:00:00Z","modified":"2026-06-16T23:44:04Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_4s.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3893"},{"url":"https://github.com/advisories/GHSA-wwff-vvq2-6hmg"}],"sources":{"cve":[{"id":"CVE-2012-3893","description":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.","status":"published","published":"2012-09-16T10:00:00Z","modified":"2024-09-16T16:33:02.407Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3837","description":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.","status":"published","published":"2012-09-16T10:00:00Z","modified":"2024-09-16T16:33:02Z","updated_at":"2026-11-03T00:55:50.59293Z"}],"ghsa":[{"id":"GHSA-wwff-vvq2-6hmg","title":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause...","description":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.","status":"published","published":"2022-05-17T05:22:21Z","modified":"2023-01-28T05:03:45Z","updated_at":"2026-11-02T14:44:02.530855Z"}],"nvd":[{"id":"CVE-2012-3893","description":"The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.","status":"published","published":"2012-09-16T10:34:50.783Z","modified":"2026-06-16T23:44:04.71Z","cvss":[{"version":"2.0","score":6.3,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:15.643902Z"}]}}