{"id":"CVE-2001-0335","aliases":["EUVD-2001-0335","GHSA-9wjp-g974-8q25"],"status":"published","title":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted...","description":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.20961,"percentile":0.97577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-06-27T04:00:00Z","modified":"2026-06-16T21:54:07Z","products":[{"vendor":"microsoft","product":"internet_information_server"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6545","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/2719","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0335"},{"url":"https://github.com/advisories/GHSA-9wjp-g974-8q25"}],"sources":{"cve":[{"id":"CVE-2001-0335","description":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:14:07.406Z","updated_at":"2026-11-02T14:34:43.032065Z"}],"euvd":[{"id":"EUVD-2001-0335","description":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:14:07Z","updated_at":"2026-11-03T01:14:52.069936Z"}],"ghsa":[{"id":"GHSA-9wjp-g974-8q25","title":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted...","description":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.","status":"published","published":"2022-04-30T18:15:52Z","modified":"2023-01-30T05:04:54Z","updated_at":"2026-11-02T14:47:09.187677Z"}],"nvd":[{"id":"CVE-2001-0335","description":"FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.","status":"published","published":"2001-06-27T04:00:00Z","modified":"2026-06-16T21:54:07.303Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:40.041412Z"}]}}