{"id":"CVE-2013-6704","aliases":["EUVD-2013-6506","GHSA-42g2-v9pm-6w57"],"status":"published","title":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to...","description":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01346,"percentile":0.71633,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-12-03T19:00:00Z","modified":"2026-06-17T00:00:49Z","products":[{"vendor":"cisco","product":"ios_xe"}],"references":[{"url":"http://www.securitytracker.com/id/1029424","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6704","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6704"},{"url":"https://github.com/advisories/GHSA-42g2-v9pm-6w57"}],"sources":{"cve":[{"id":"CVE-2013-6704","description":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.","status":"published","published":"2013-12-03T19:00:00Z","modified":"2024-08-06T17:46:22.585Z","updated_at":"2026-11-02T14:34:57.195423Z"}],"euvd":[{"id":"EUVD-2013-6506","description":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.","status":"published","published":"2013-12-03T19:00:00Z","modified":"2024-08-06T17:46:22Z","updated_at":"2026-11-03T01:56:25.766525Z"}],"ghsa":[{"id":"GHSA-42g2-v9pm-6w57","title":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to...","description":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.","status":"published","published":"2022-05-17T03:49:08Z","modified":"2023-01-27T05:09:16Z","updated_at":"2026-11-02T14:43:21.634382Z"}],"nvd":[{"id":"CVE-2013-6704","description":"Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.","status":"published","published":"2013-12-03T19:56:32.327Z","modified":"2026-06-17T00:00:49.793Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:44.596064Z"}]}}