{"id":"CVE-2011-3140","aliases":["EUVD-2011-3108","GHSA-4ffw-q78r-2442"],"status":"published","title":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2...","description":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02151,"percentile":0.82262,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2011-08-15T21:00:00Z","modified":"2026-06-16T23:32:44Z","products":[{"vendor":"ibm","product":"g400_ips-g400-ib-1_appliance"},{"vendor":"ibm","product":"gx4004_ips-gx4004-ib-2_appliance"},{"vendor":"ibm","product":"web_application_firewall"}],"references":[{"url":"https://www.trustwave.com/spiderlabs/advisories/TWSL2011-006.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67178","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://securityreason.com/securityalert/8339","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/bid/48370","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/518556/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.iss.net/security_center/reference/vuln/HTTP_Parameter_Abuse.htm","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://securitytracker.com/id?1025683","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3140"},{"url":"https://github.com/advisories/GHSA-4ffw-q78r-2442"}],"sources":{"cve":[{"id":"CVE-2011-3140","description":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.","status":"published","published":"2011-08-15T21:00:00Z","modified":"2024-08-06T23:22:27.693Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3108","description":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.","status":"published","published":"2011-08-15T21:00:00Z","modified":"2024-08-06T23:22:27Z","updated_at":"2026-11-03T01:39:53.115277Z"}],"ghsa":[{"id":"GHSA-4ffw-q78r-2442","title":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2...","description":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.","status":"published","published":"2022-05-14T02:54:56Z","modified":"2023-02-02T05:07:11Z","updated_at":"2026-11-02T14:52:26.890219Z"}],"nvd":[{"id":"CVE-2011-3140","description":"IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.","status":"published","published":"2011-08-15T21:55:03.283Z","modified":"2026-06-16T23:32:44.243Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}