{"id":"CVE-2015-6403","aliases":["EUVD-2015-6345","GHSA-9rwf-hg9h-2rpm"],"status":"published","title":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly...","description":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0038,"percentile":0.32287,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2015-12-15T02:00:00Z","modified":"2026-06-17T00:30:50Z","products":[{"vendor":"cisco","product":"spa300_firmware"},{"vendor":"cisco","product":"spa500_firmware"}],"references":[{"url":"http://www.securitytracker.com/id/1034376","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/78739","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ipp","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6403"},{"url":"https://github.com/advisories/GHSA-9rwf-hg9h-2rpm"}],"sources":{"cve":[{"id":"CVE-2015-6403","description":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.","status":"published","published":"2015-12-15T02:00:00Z","modified":"2024-08-06T07:22:21.437Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-6345","description":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.","status":"published","published":"2015-12-15T02:00:00Z","modified":"2024-08-06T07:22:21Z","updated_at":"2026-11-03T02:21:56.126868Z"}],"ghsa":[{"id":"GHSA-9rwf-hg9h-2rpm","title":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly...","description":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.","status":"published","published":"2022-05-17T03:26:54Z","modified":"2023-01-27T05:07:53Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:12.891051Z"}],"nvd":[{"id":"CVE-2015-6403","description":"The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.","status":"published","published":"2015-12-15T05:59:04.853Z","modified":"2026-06-17T00:30:50.197Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:14.501367Z"}]}}