{"cve":"CVE-2006-6679","nvd":{"published":"2006-12-21T19:28:00.000","modified":"2026-06-16T22:33:35.220","status":"Modified","description":"Pedro Lineu Orso chetcpasswd before 2.4 relies on the X-Forwarded-For HTTP header when verifying a client's status on an IP address ACL, which allows remote attackers to gain unauthorized access by spoofing this header.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-863"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454","http://marc.info/?l=bugtraq&m=116371297325564&w=2","http://secunia.com/advisories/22967","http://sourceforge.net/project/shownotes.php?group_id=68912&release_id=466649","http://www.osvdb.org/30544"],"products":["chetcpasswd_project:chetcpasswd"],"source":"nvd","synced_at":"2026-10-19T19:43:14.363260067+00:00"},"epss":{"cve":"CVE-2006-6679","score":0.0211,"percentile":0.81795,"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."]}