{"id":"CVE-2004-0679","aliases":["EUVD-2004-0678","GHSA-wv5x-mhvx-xm35"],"status":"published","title":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak...","description":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01569,"percentile":0.75516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2004-07-13T04:00:00Z","modified":"2026-06-16T22:06:08Z","products":[{"vendor":"unreal","product":"unrealircd"}],"references":[{"url":"http://securityreason.com/securityalert/560","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.bandecon.com/advisory/unreal.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=108904813003166\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/10663","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.unrealircd.com/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/16610","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0679"},{"url":"http://www.unrealircd.com"},{"url":"https://github.com/advisories/GHSA-wv5x-mhvx-xm35"}],"sources":{"cve":[{"id":"CVE-2004-0679","description":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.","status":"published","published":"2004-07-13T04:00:00Z","modified":"2024-08-08T00:24:27.063Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2004-0678","description":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.","status":"published","published":"2004-07-13T04:00:00Z","modified":"2024-08-08T00:24:27Z","updated_at":"2026-11-03T01:15:18.253357Z"}],"ghsa":[{"id":"GHSA-wv5x-mhvx-xm35","title":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak...","description":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.","status":"published","published":"2022-04-29T02:58:09Z","modified":"2025-04-03T04:01:32Z","updated_at":"2026-11-02T15:00:38.944477Z"}],"nvd":[{"id":"CVE-2004-0679","description":"The IP cloaking feature (cloak.c) in UnrealIRCd 3.2, and possibly other versions, uses a weak hashing scheme to hide IP addresses, which could allow remote attackers to use brute force methods to gain other user's IP addresses.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-06-16T22:06:08.863Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.000028Z"}]}}