{"id":"CVE-2006-4467","aliases":["EUVD-2006-4455","GHSA-2w48-h3m6-2r8q"],"status":"published","title":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset...","description":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts.  NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0185,"percentile":0.79252,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-08-31T20:00:00Z","modified":"2026-06-16T22:29:09Z","products":[{"vendor":"simple_machines","product":"simple_machines_forum"}],"references":[{"url":"http://www.simplemachines.org/community/index.php?topic=107112.0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://securityreason.com/securityalert/1475","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://retrogod.altervista.org/smf_11rc2_lock.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/444053/100/100/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://retrogod.altervista.org/smf_11rc2_local_incl.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.simplemachines.org/community/index.php?topic=107135.0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-4467"},{"url":"https://github.com/advisories/GHSA-2w48-h3m6-2r8q"}],"sources":{"cve":[{"id":"CVE-2006-4467","description":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts.  NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.","status":"published","published":"2006-08-31T20:00:00Z","modified":"2024-08-07T19:14:46.658Z","updated_at":"2026-11-02T14:33:51.085765Z"}],"euvd":[{"id":"EUVD-2006-4455","description":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts.  NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.","status":"published","published":"2006-08-31T20:00:00Z","modified":"2024-08-07T19:14:46Z","updated_at":"2026-11-03T01:15:51.734759Z"}],"ghsa":[{"id":"GHSA-2w48-h3m6-2r8q","title":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset...","description":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts.  NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.","status":"published","published":"2022-05-01T07:18:52Z","modified":"2023-01-31T05:01:51Z","updated_at":"2026-11-02T14:48:08.720938Z"}],"nvd":[{"id":"CVE-2006-4467","description":"Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts.  NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.","status":"published","published":"2006-08-31T20:04:00Z","modified":"2026-06-16T22:29:09.29Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:05.928789Z"}]}}