{"cve":"CVE-2006-6621","nvd":{"published":"2006-12-18T11:28:00.000","modified":"2026-06-16T22:33:28.883","status":"Modified","description":"Filseclab Personal Firewall 3.0.0.8686 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the product's controls on a process by spoofing the (1) ImagePathName, (2) CommandLine, and (3) WindowTitle fields in the PEB.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.matousec.com/downloads/windows-personal-firewall-analysis/ex-coat.zip","http://www.matousec.com/info/advisories/Bypassing-process-identification-serveral-personal-firewalls-HIPS.php","http://www.securityfocus.com/archive/1/454522/100/0/threaded","http://www.securityfocus.com/bid/21615","http://www.matousec.com/downloads/windows-personal-firewall-analysis/ex-coat.zip"],"products":["avg:antivirus_plus_firewall","comodo:comodo_personal_firewall","filseclab:personal_firewall","infoprocess:antihook","soft4ever:look_n_stop","symantec:sygate_personal_firewall"],"source":"nvd","synced_at":"2026-10-19T19:43:14.363260067+00:00"},"epss":{"cve":"CVE-2006-6621","score":0.00331,"percentile":0.26351,"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."]}