{"id":"CVE-2013-1241","aliases":["EUVD-2013-1281","GHSA-57m6-vp8v-97x6"],"status":"published","title":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header...","description":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.","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":"2026-11-09","score":0.01456,"percentile":0.73679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2013-05-08T10:00:00Z","modified":"2026-06-16T23:51:04Z","products":[{"vendor":"cisco","product":"1921_integrated_services_router"},{"vendor":"cisco","product":"1941_integrated_services_router"},{"vendor":"cisco","product":"1941w_integrated_services_router"},{"vendor":"cisco","product":"2901_integrated_services_router"},{"vendor":"cisco","product":"2911_integrated_services_router"},{"vendor":"cisco","product":"2921_integrated_services_router"},{"vendor":"cisco","product":"2951_integrated_services_router"},{"vendor":"cisco","product":"3925_integrated_services_router"},{"vendor":"cisco","product":"3925e_integrated_services_router"},{"vendor":"cisco","product":"3945_integrated_services_router"},{"vendor":"cisco","product":"3945e_integrated_services_router"},{"vendor":"cisco","product":"861_integrated_services_router"},{"vendor":"cisco","product":"867_integrated_services_router"},{"vendor":"cisco","product":"880_3g_integrated_services_router"},{"vendor":"cisco","product":"881_integrated_services_router"},{"vendor":"cisco","product":"886_integrated_services_router"},{"vendor":"cisco","product":"886va-w_integrated_services_router"},{"vendor":"cisco","product":"886va_integrated_services_router"},{"vendor":"cisco","product":"887_integrated_services_router"},{"vendor":"cisco","product":"887v_integrated_services_router"},{"vendor":"cisco","product":"887va-w_integrated_services_router"},{"vendor":"cisco","product":"887va_integrated_services_router"},{"vendor":"cisco","product":"888_integrated_services_router"},{"vendor":"cisco","product":"891_integrated_services_router"},{"vendor":"cisco","product":"892_integrated_services_router"},{"vendor":"cisco","product":"c881w_integrated_services_router"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1241","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1241"},{"url":"https://github.com/advisories/GHSA-57m6-vp8v-97x6"}],"sources":{"cve":[{"id":"CVE-2013-1241","description":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.","status":"published","published":"2013-05-08T10:00:00Z","modified":"2024-09-16T17:43:29.114Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-1281","description":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.","status":"published","published":"2013-05-08T10:00:00Z","modified":"2024-09-16T17:43:29Z","updated_at":"2026-11-03T00:55:39.247967Z"}],"ghsa":[{"id":"GHSA-57m6-vp8v-97x6","title":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header...","description":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.","status":"published","published":"2022-05-17T05:10:25Z","modified":"2023-01-28T05:03:17Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:43:57.015581Z"}],"nvd":[{"id":"CVE-2013-1241","description":"The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.","status":"published","published":"2013-05-08T12:09:33.697Z","modified":"2026-06-16T23:51:04.253Z","cvss":[{"version":"2.0","score":6.3,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:25.704053Z"}]}}