{"id":"CVE-2005-4687","aliases":["EUVD-2005-4681","GHSA-4g5r-47p7-6qm4"],"status":"published","title":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in...","description":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01388,"percentile":0.72434,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-12-31T05:00:00Z","modified":"2026-06-16T22:19:14Z","products":[{"vendor":"f-art_agency","product":"blog_cms"},{"vendor":"punbb","product":"punbb"}],"references":[{"url":"http://www.securityfocus.com/bid/15326","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/17433","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.punbb.org/changelogs/1.2.9_to_1.2.10.txt","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/17425","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4687"},{"url":"https://github.com/advisories/GHSA-4g5r-47p7-6qm4"}],"sources":{"cve":[{"id":"CVE-2005-4687","description":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.","status":"published","published":"2006-02-01T02:00:00Z","modified":"2024-09-16T19:24:59.505Z","updated_at":"2026-11-02T14:33:39.259087Z"}],"euvd":[{"id":"EUVD-2005-4681","description":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.","status":"published","published":"2006-02-01T02:00:00Z","modified":"2024-09-16T19:24:59Z","updated_at":"2026-11-03T00:55:23.186812Z"}],"ghsa":[{"id":"GHSA-4g5r-47p7-6qm4","title":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in...","description":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.","status":"published","published":"2022-05-01T02:29:46Z","modified":"2023-01-30T05:08:28Z","updated_at":"2026-11-02T14:47:50.107277Z"}],"nvd":[{"id":"CVE-2005-4687","description":"PunBB 1.2.9, used alone or with F-ART BLOG:CMS, may trust a client's IP address as specified in the X-Forwarded-For HTTP header rather than the TCP/IP stack, which allows remote attackers to misrepresent their IP address by sending a modified header.","status":"published","published":"2005-12-31T05:00:00Z","modified":"2026-06-16T22:19:14.763Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:58.826417Z"}]}}