{"id":"CVE-2007-4443","aliases":["EUVD-2007-4426","GHSA-66cg-284q-vjh6"],"status":"published","title":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote...","description":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01749,"percentile":0.7798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-08-21T00:00:00Z","modified":"2026-06-16T22:44:06Z","products":[{"vendor":"epic_games","product":"unreal_engine"}],"references":[{"url":"http://www.securityfocus.com/archive/1/477026/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/26506","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://securityreason.com/securityalert/3039","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36103","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/478053/100/200/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/478064/100/200/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://aluigi.org/poc/unrwebdos.zip","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://aluigi.org/adv/unrwebdos-adv.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4443"},{"url":"https://github.com/advisories/GHSA-66cg-284q-vjh6"}],"sources":{"cve":[{"id":"CVE-2007-4443","description":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.","status":"published","published":"2007-08-21T00:00:00Z","modified":"2024-08-07T14:53:56.042Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4426","description":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.","status":"published","published":"2007-08-21T00:00:00Z","modified":"2024-08-07T14:53:56Z","updated_at":"2026-11-03T01:16:21.520411Z"}],"ghsa":[{"id":"GHSA-66cg-284q-vjh6","title":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote...","description":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.","status":"published","published":"2022-05-01T18:23:35Z","modified":"2023-01-31T05:04:40Z","updated_at":"2026-11-02T14:48:42.977051Z"}],"nvd":[{"id":"CVE-2007-4443","description":"The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.","status":"published","published":"2007-08-21T00:17:00Z","modified":"2026-06-16T22:44:06.483Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}