{"id":"CVE-2003-1433","url":"https://www.cyber-defence.io/tools/cve/CVE-2003-1433","generatedAt":"2026-10-27T18:32:40.818Z","title":"Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.","description":"Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.","published":"2003-12-31T05:00:00.000Z","lastModified":"2026-06-16T22:04:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-287"],"affected":["epic games/unreal engine"],"epss":{"score":0.01179,"percentile":0.67448,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html","source":"cve@mitre.org"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html","source":"cve@mitre.org"},{"url":"http://www.pivx.com/luigi/adv/ueng-adv.txt","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/6771","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11304","source":"cve@mitre.org"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.pivx.com/luigi/adv/ueng-adv.txt","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/6771","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11304","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2003-1433","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}