{"id":"CVE-2015-6273","aliases":["EUVD-2015-6215","GHSA-p5j7-x6wq-vh9r"],"status":"published","title":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment...","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01908,"percentile":0.7991,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2015-08-29T01:00:00Z","modified":"2026-06-17T00:30:37Z","products":[{"vendor":"cisco","product":"ios_xe"}],"references":[{"url":"http://www.securitytracker.com/id/1033408","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=40690","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6273"},{"url":"https://github.com/advisories/GHSA-p5j7-x6wq-vh9r"}],"sources":{"cve":[{"id":"CVE-2015-6273","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","status":"published","published":"2015-08-29T01:00:00Z","modified":"2024-08-06T07:15:13.266Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6215","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","status":"published","published":"2015-08-29T01:00:00Z","modified":"2024-08-06T07:15:13Z","updated_at":"2026-11-03T02:21:56.647378Z"}],"ghsa":[{"id":"GHSA-p5j7-x6wq-vh9r","title":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment...","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","status":"published","published":"2022-05-17T00:52:43Z","modified":"2023-02-03T05:02:43Z","updated_at":"2026-11-02T14:53:13.255536Z"}],"nvd":[{"id":"CVE-2015-6273","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","status":"published","published":"2015-08-29T01:59:02.69Z","modified":"2026-06-17T00:30:37.367Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:08.998581Z"}]}}