{"id":"CVE-2000-0783","aliases":["EUVD-2000-0777","GHSA-3cf2-6pj6-x5w3"],"status":"published","title":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed...","description":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.","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":"2026-11-08","score":0.01771,"percentile":0.78293,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2000-10-20T04:00:00Z","modified":"2026-06-16T21:52:28Z","products":[{"vendor":"watchguard","product":"firebox"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-08/0162.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5098","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/1573","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0783"},{"url":"https://github.com/advisories/GHSA-3cf2-6pj6-x5w3"}],"sources":{"cve":[{"id":"CVE-2000-0783","description":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:28:41.442Z","updated_at":"2026-11-02T14:33:41.23606Z"}],"euvd":[{"id":"EUVD-2000-0777","description":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.","status":"published","published":"2001-01-22T05:00:00Z","modified":"2024-08-08T05:28:41Z","updated_at":"2026-11-03T00:56:23.73011Z"}],"ghsa":[{"id":"GHSA-3cf2-6pj6-x5w3","title":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed...","description":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.","status":"published","published":"2022-04-30T18:14:18Z","modified":"2023-01-30T05:05:07Z","updated_at":"2026-11-02T14:47:12.020843Z"}],"nvd":[{"id":"CVE-2000-0783","description":"Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.","status":"published","published":"2000-10-20T04:00:00Z","modified":"2026-06-16T21:52:28.32Z","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":"2026-11-02T13:59:02.365657Z"}]}}