{"id":"CVE-2001-1500","aliases":["EUVD-2001-1477","GHSA-4vpg-gw5f-4vxp"],"status":"published","title":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved...","description":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.","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":0.12449,"percentile":0.96242,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:23Z","products":[{"vendor":"proftpd_project","product":"proftpd"}],"references":[{"url":"http://www.securityfocus.com/archive/1/212805","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/3310","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2002:005","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000450","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7126","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1500"},{"url":"https://github.com/advisories/GHSA-4vpg-gw5f-4vxp"}],"sources":{"cve":[{"id":"CVE-2001-1500","description":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11.664Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1477","description":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11Z","updated_at":"2026-11-03T00:56:27.245824Z"}],"ghsa":[{"id":"GHSA-4vpg-gw5f-4vxp","title":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved...","description":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.","status":"published","published":"2022-04-30T18:18:09Z","modified":"2023-01-30T05:05:53Z","updated_at":"2026-11-02T14:47:22.488805Z"}],"nvd":[{"id":"CVE-2001-1500","description":"ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.","status":"published","published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:23.313Z","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":"2026-11-02T14:00:41.313877Z"}]}}