{"cve_id":"CVE-2017-12232","published":"2017-09-29T01:34:48.780000+00:00","last_modified":"2026-06-17T01:02:55.907000+00:00","vuln_status":"Analyzed","description":"A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","base_score":6.5,"base_severity":"MEDIUM","attack_vector":"ADJACENT_NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"NONE","impact_i":"NONE","impact_a":"HIGH","cwe_ids":["CWE-399"],"in_kev":true,"kev_date_added":"2022-03-03","kev_ransomware":false,"epss_score":0.02153,"epss_percentile":0.82156,"cap_rule_version":"0.1.1","stage":"IMPACT","req_access":"NONE","req_vector":"ADJACENT","req_user_interaction":false,"grant_access":"NONE","caps":["DOS"],"terminal":true,"cap_confidence":"high","ingested_at":"2026-09-18T08:38:56.699656+00:00","first_seen":"2017-09-29T01:34:48.780000+00:00","kev_first_seen":"2022-03-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["cisco"],"products":["1000_integrated_services_router","1100-4g\\/6g_integrated_services_router","1100-4g_integrated_services_router","1100-4gltegb_integrated_services_router","1100-4gltena_integrated_services_router","1100-8p_integrated_services_router","1100-lte_integrated_services_router","1100_integrated_services_router","1101-4p_integrated_services_router","1101_integrated_services_router","1109-2p_integrated_services_router","1109-4p_integrated_services_router","1109_integrated_services_router","1111x-8p_integrated_services_router","1111x_integrated_services_router","111x_integrated_services_router","1120_integrated_services_router","1131_integrated_services_router","1160_integrated_services_router","1801_integrated_service_router","1802_integrated_service_router","1803_integrated_service_router","1811_integrated_service_router","1812_integrated_service_router","1841_integrated_service_router","1861_integrated_service_router","1905_integrated_services_router","1906c_integrated_services_router","1921_integrated_services_router","1941_integrated_services_router","1941w_integrated_services_router","4000_integrated_services_router","4221_integrated_services_router","422_integrated_services_router","4321\\/k9-rf_integrated_services_router","4321\\/k9-ws_integrated_services_router","4321\\/k9_integrated_services_router","4321_integrated_services_router","4331\\/k9-rf_integrated_services_router","4331\\/k9-ws_integrated_services_router","4331\\/k9_integrated_services_router","4331_integrated_services_router","4351\\/k9-rf_integrated_services_router","4351\\/k9-ws_integrated_services_router","4351\\/k9_integrated_services_router","4351_integrated_services_router","4431_integrated_services_router","44461_integrated_services_router","4451-x_integrated_services_router","4451_integrated_services_router","4461_integrated_services_router","829_industrial_integrated_services_router","829_industrial_integrated_services_routers","829_integrated_services_router","860vae-w_integrated_services_router","861_integrated_services_router","861w_integrated_services_router","866vae_integrated_services_router","867_integrated_services_router","867vae_integrated_services_router","871_integrated_services_router","880-voice_integrated_services_router","880_3g_integrated_services_router","881-cube_integrated_services_router","881_3g_integrated_services_router","881_integrated_services_router","881w_integrated_services_router","886_integrated_services_router","886va-cube_integrated_services_router","886va-w_integrated_services_router","886va_integrated_services_router","886vag_3g_integrated_services_router","887_integrated_services_router","887v_integrated_services_router","887va-cube_integrated_services_router","887va-w_integrated_services_router","887va_integrated_services_router","887vag_3g_integrated_services_router","887vam-w_integrated_services_router","887vamg_3g_integrated_services_router","888-cube_integrated_services_router","888_integrated_services_router","888e-cube_integrated_services_router","888e_integrated_services_router","888eg_3g_integrated_services_router","888w_integrated_services_router","891-24x_integrated_services_router","891_integrated_services_router","891w_integrated_services_router","892_integrated_services_router","892f-cube_integrated_services_router","892w_integrated_services_router","asr_1000","asr_1000-esp100","asr_1000-esp100-x","asr_1000-esp200-x","asr_1000-x","asr_1000_","asr_1001","asr_1001-hx","asr_1001-hx_r","asr_1001-x","asr_1001-x_r","asr_1002","asr_1002-hx","asr_1002-hx_r","asr_1002-x","asr_1002-x_r","asr_1004","asr_1006","asr_1006-x","asr_1009-x","asr_1013","asr_1023","catalyst_8200","catalyst_8300","catalyst_8300-1n1s-4t2x","catalyst_8300-1n1s-6t","catalyst_8300-2n2s-4t2x","catalyst_8300-2n2s-6t","catalyst_8500","catalyst_8500-4qc","catalyst_8500l","catalyst_8510csr","catalyst_8510msr","catalyst_8540csr","catalyst_8540msr","cloud_services_router_1000v","integrated_services_virtual_router","ios"],"affected":[{"vendor":"cisco","product":"ios","ranges":["≥ 15.0 and ≤ 15.6"]}]}