{"id":"CVE-2021-31538","aliases":["EUVD-2021-18436","GHSA-r6mr-fq3c-f6ff"],"status":"published","title":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","description":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01486,"percentile":0.74404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-06-10T14:59:32Z","modified":"2026-06-17T03:51:58Z","products":[{"vendor":"lancom-systems","product":"lcos_fx"}],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-010.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31538"},{"url":"https://github.com/advisories/GHSA-r6mr-fq3c-f6ff"}],"sources":{"cve":[{"id":"CVE-2021-31538","description":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","status":"published","published":"2021-06-10T14:59:32Z","modified":"2024-08-03T23:03:33.358Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18436","description":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","status":"published","published":"2021-06-10T14:59:32Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.977347Z"}],"ghsa":[{"id":"GHSA-r6mr-fq3c-f6ff","title":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","description":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","status":"published","published":"2022-05-24T19:04:53Z","modified":"2023-01-29T05:07:57Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:11.594724Z"}],"nvd":[{"id":"CVE-2021-31538","description":"LANCOM R\u0026S Unified Firewall (UF) devices running LCOS FX 10.5 allow Relative Path Traversal.","status":"published","published":"2021-06-10T15:15:09.39Z","modified":"2026-06-17T03:51:58.383Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}