{"id":"CVE-2004-2597","aliases":["EUVD-2004-2588","GHSA-5gr4-pm92-g66w"],"status":"published","title":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP...","description":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an \"ip\" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.","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":0.01645,"percentile":0.76606,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:57Z","products":[{"vendor":"id_software","product":"quake_ii_server"}],"references":[{"url":"http://web.archive.org/web/20041130092749/www.r1ch.net/stuff/r1q2/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://securitytracker.com/id?1011979","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/11551","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.osvdb.org/11186","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/13013","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://secur1ty.net/advisories/001","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17895","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2004-10/0299.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2597"},{"url":"http://web.archive.org/web/20041130092749/www.r1ch.net/stuff/r1q2"},{"url":"https://github.com/advisories/GHSA-5gr4-pm92-g66w"}],"sources":{"cve":[{"id":"CVE-2004-2597","description":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an \"ip\" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.","status":"published","published":"2005-11-29T02:00:00Z","modified":"2024-08-08T01:29:14.085Z","updated_at":"2026-11-02T14:34:53.357376Z"}],"euvd":[{"id":"EUVD-2004-2588","description":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an \"ip\" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.","status":"published","published":"2005-11-29T02:00:00Z","modified":"2024-08-08T01:29:14Z","updated_at":"2026-11-03T01:15:09.64087Z"}],"ghsa":[{"id":"GHSA-5gr4-pm92-g66w","title":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP...","description":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an \"ip\" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.","status":"published","published":"2022-04-29T03:01:45Z","modified":"2025-04-03T04:07:15Z","updated_at":"2026-11-02T15:00:40.646262Z"}],"nvd":[{"id":"CVE-2004-2597","description":"Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an \"ip\" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:57.17Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:53.133049Z"}]}}