{"cve":"CVE-2007-3923","nvd":{"published":"2007-07-21T00:30:00.000","modified":"2026-06-16T22:43:04.000","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/26122","http://www.cisco.com/warp/public/707/cisco-sa-20070718-waas.shtml","http://www.osvdb.org/36120","http://www.securityfocus.com/bid/24956","http://www.securitytracker.com/id?1018416"],"products":["cisco:wide_area_application_services"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-3923","score":0.01978,"percentile":0.80525,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}