{"id":"CVE-2026-15201","aliases":["EUVD-2026-124192","GHSA-9gv7-pj6c-vhp7"],"status":"published","title":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation...","description":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.0015,"percentile":0.04265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-11-12T03:35:49Z","modified":"2026-11-12T06:30:29Z","products":[{"vendor":"synology","product":"diskstation manager (dsm)"}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_18"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15201"},{"url":"https://github.com/advisories/GHSA-9gv7-pj6c-vhp7"}],"sources":{"cve":[{"id":"CVE-2026-15201","description":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.","status":"published","published":"2026-11-12T03:35:49.012Z","modified":"2026-11-12T03:35:49.012Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-12T04:37:17.913628Z"}],"euvd":[{"id":"EUVD-2026-124192","description":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.","status":"published","published":"2026-11-12T03:35:49Z","modified":"2026-11-12T03:35:49Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-12T08:32:31.16979Z"}],"ghsa":[{"id":"GHSA-9gv7-pj6c-vhp7","title":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation...","description":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.","status":"published","published":"2026-11-12T06:30:21Z","modified":"2026-11-12T06:30:29Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-12T06:38:20.494135Z"}],"nvd":[{"id":"CVE-2026-15201","description":"An improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.","status":"published","published":"2026-11-12T04:17:18.603Z","modified":"2026-11-12T18:50:59.773Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-12T06:28:14.789027Z"}]}}