{"id":"CVE-2007-3923","aliases":["EUVD-2007-3907","GHSA-fv75-9f4p-j7c2"],"status":"published","title":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS...","description":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.","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":0.01978,"percentile":0.80656,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-07-21T00:00:00Z","modified":"2026-06-16T22:43:04Z","products":[{"vendor":"cisco","product":"wide_area_application_services"}],"references":[{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20070718-waas.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch"]},{"url":"http://www.vupen.com/english/advisories/2007/2572","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24956","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.osvdb.org/36120","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35477","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018416","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/26122","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3923"},{"url":"https://github.com/advisories/GHSA-fv75-9f4p-j7c2"}],"sources":{"cve":[{"id":"CVE-2007-3923","description":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.","status":"published","published":"2007-07-21T00:00:00Z","modified":"2024-08-07T14:37:05.455Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3907","description":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.","status":"published","published":"2007-07-21T00:00:00Z","modified":"2024-08-07T14:37:05Z","updated_at":"2026-11-03T01:16:24.023061Z"}],"ghsa":[{"id":"GHSA-fv75-9f4p-j7c2","title":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS...","description":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.","status":"published","published":"2022-05-01T18:18:35Z","modified":"2023-01-31T05:04:28Z","updated_at":"2026-11-02T14:48:40.522625Z"}],"nvd":[{"id":"CVE-2007-3923","description":"The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.","status":"published","published":"2007-07-21T00:30:00Z","modified":"2026-06-16T22:43:04Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}