{"id":"CVE-2004-2375","aliases":["EUVD-2004-2367","GHSA-rhqm-2p68-x8qr"],"status":"published","title":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause...","description":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).","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":0.05864,"percentile":0.9325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:32Z","exploits":[{"source":"exploitdb","id":"EDB-23787","title":"1st Class Internet Solutions 1st Class Mail Server 4.0 - Remote Buffer Overflow (PoC)","type":"dos","platform":"multiple","date":"2004-03-02","verified":true,"url":"https://www.exploit-db.com/exploits/23787"}],"products":[{"vendor":"1st_class_internet_solutions","product":"1st_class_mail_server"}],"references":[{"url":"http://www.osvdb.org/4129","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://securitytracker.com/id?1009279","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15314","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.digiti.be/jeffosz/advisories/1stclasspop3.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/9794","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/11029","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.zone-h.org/advisories/read/id=4047","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2375"},{"url":"https://github.com/advisories/GHSA-rhqm-2p68-x8qr"}],"sources":{"cve":[{"id":"CVE-2004-2375","description":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).","status":"published","published":"2005-08-16T04:00:00Z","modified":"2024-08-08T01:22:13.769Z","updated_at":"2026-11-02T14:34:53.70484Z"}],"euvd":[{"id":"EUVD-2004-2367","description":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).","status":"published","published":"2005-08-16T04:00:00Z","modified":"2024-08-08T01:22:13Z","updated_at":"2026-11-03T01:15:10.882227Z"}],"ghsa":[{"id":"GHSA-rhqm-2p68-x8qr","title":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause...","description":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).","status":"published","published":"2022-04-29T03:01:19Z","modified":"2023-01-30T05:04:06Z","updated_at":"2026-11-02T14:46:58.413117Z"}],"nvd":[{"id":"CVE-2004-2375","description":"Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:32.307Z","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":"2026-11-02T14:00:52.459805Z"}]}}