{"id":"CVE-2000-1020","aliases":["EUVD-2000-1007","GHSA-98mf-vh98-gm88"],"status":"published","title":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a...","description":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.","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":"2026-11-07","score":0.02258,"percentile":0.83069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2000-11-29T05:00:00Z","modified":"2026-06-16T21:52:59Z","products":[{"vendor":"alt-n","product":"mdaemon"}],"references":[{"url":"http://www.securityfocus.com/bid/1689","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5250","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=96925269716274\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-1020"},{"url":"https://github.com/advisories/GHSA-98mf-vh98-gm88"}],"sources":{"cve":[{"id":"CVE-2000-1020","description":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.","status":"published","published":"2000-11-29T05:00:00Z","modified":"2024-08-08T05:37:32.33Z","updated_at":"2026-11-02T14:33:40.909668Z"}],"euvd":[{"id":"EUVD-2000-1007","description":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.","status":"published","published":"2000-11-29T05:00:00Z","modified":"2024-08-08T05:37:32Z","updated_at":"2026-11-03T00:56:22.927724Z"}],"ghsa":[{"id":"GHSA-98mf-vh98-gm88","title":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a...","description":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.","status":"published","published":"2022-04-30T18:14:45Z","modified":"2023-01-30T05:05:16Z","updated_at":"2026-11-02T14:47:13.933319Z"}],"nvd":[{"id":"CVE-2000-1020","description":"Heap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long URL.","status":"published","published":"2000-12-11T05:00:00Z","modified":"2026-06-16T21:52:59.143Z","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":"2026-11-02T13:59:02.365657Z"}]}}