{"id":"CVE-2000-0570","aliases":["EUVD-2000-0566","GHSA-mxfj-2pw5-7crq"],"status":"published","title":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers...","description":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.","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":0.03138,"percentile":0.87983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2000-06-27T04:00:00Z","modified":"2026-06-16T21:52:01Z","exploits":[{"source":"exploitdb","id":"EDB-20052","title":"Centrinity FirstClass 5.77 - Intranet Server Long Header Denial of Service","type":"dos","platform":"multiple","date":"2000-06-27","verified":true,"url":"https://www.exploit-db.com/exploits/20052"}],"products":[{"vendor":"centrinity","product":"firstclass_intranet_server"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/4843","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/1421","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://www.osvdb.org/5718","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-06/0295.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0570"},{"url":"https://github.com/advisories/GHSA-mxfj-2pw5-7crq"}],"sources":{"cve":[{"id":"CVE-2000-0570","description":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T05:21:31.176Z","updated_at":"2026-11-02T14:33:41.23606Z"}],"euvd":[{"id":"EUVD-2000-0566","description":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T05:21:31Z","updated_at":"2026-11-03T00:56:24.66443Z"}],"ghsa":[{"id":"GHSA-mxfj-2pw5-7crq","title":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers...","description":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.","status":"published","published":"2022-04-30T18:13:53Z","modified":"2023-01-30T05:05:04Z","updated_at":"2026-11-02T14:47:10.981212Z"}],"nvd":[{"id":"CVE-2000-0570","description":"FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.","status":"published","published":"2000-06-27T04:00:00Z","modified":"2026-06-16T21:52:01.19Z","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"}]}}