{"id":"CVE-2002-0231","aliases":["EUVD-2002-0228","GHSA-whx5-3vjj-xg9h"],"status":"published","title":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the...","description":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.09557,"percentile":0.95497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2002-05-03T04:00:00Z","modified":"2026-06-16T21:57:02Z","exploits":[{"source":"exploitdb","id":"EDB-21274","title":"MIRC 2.x/3.x/4.x/5.x - Nick Buffer Overflow","type":"remote","platform":"windows","date":"2002-02-03","verified":true,"url":"https://www.exploit-db.com/exploits/21274"}],"products":[{"vendor":"khaled_mardam-bey","product":"mirc"}],"references":[{"url":"http://www.securityfocus.com/bid/4027","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101286747013955\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.iss.net/security_center/static/8083.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.uuuppz.com/research/adv-001-mirc.htm","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://online.securityfocus.com/archive/1/254105","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0231"},{"url":"https://github.com/advisories/GHSA-whx5-3vjj-xg9h"}],"sources":{"cve":[{"id":"CVE-2002-0231","description":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.","status":"published","published":"2002-05-03T04:00:00Z","modified":"2024-08-08T02:42:28.515Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0228","description":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.","status":"published","published":"2002-05-03T04:00:00Z","modified":"2024-08-08T02:42:28Z","updated_at":"2026-11-03T01:15:01.501317Z"}],"ghsa":[{"id":"GHSA-whx5-3vjj-xg9h","title":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the...","description":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.","status":"published","published":"2022-04-30T18:18:48Z","modified":"2023-01-30T05:05:58Z","updated_at":"2026-11-02T14:47:23.497105Z"}],"nvd":[{"id":"CVE-2002-0231","description":"Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.","status":"published","published":"2002-05-16T04:00:00Z","modified":"2026-06-16T21:57:02.523Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}