{"id":"CVE-2021-37439","aliases":["EUVD-2021-24004","GHSA-v7rj-7455-pv9p"],"status":"published","title":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","description":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01214,"percentile":0.68938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-07-25T20:14:38Z","modified":"2026-06-17T04:00:31Z","products":[{"vendor":"nch","product":"flexiserver"}],"references":[{"url":"https://github.com/0xfml/poc/blob/main/NCH/Flexiserver_6.00_LFI.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.nchsoftware.com/flexi/index.html","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37439"},{"url":"https://github.com/advisories/GHSA-v7rj-7455-pv9p"}],"sources":{"cve":[{"id":"CVE-2021-37439","description":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","status":"published","published":"2021-07-25T20:14:38Z","modified":"2024-08-04T01:16:03.954Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-24004","description":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","status":"published","published":"2021-07-25T20:14:38Z","modified":"2024-08-04T01:16:03Z","updated_at":"2026-11-03T03:24:27.725787Z"}],"ghsa":[{"id":"GHSA-v7rj-7455-pv9p","title":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","description":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","status":"published","published":"2022-05-24T19:09:16Z","modified":"2023-01-30T05:01:10Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:21.093669Z"}],"nvd":[{"id":"CVE-2021-37439","description":"NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.","status":"published","published":"2021-07-25T22:15:07.893Z","modified":"2026-06-17T04:00:31.043Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:56.185362Z"}]}}