{"id":"CVE-2025-41255","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-41255","generatedAt":"2026-10-28T09:26:08.510Z","title":"Cyberduck and Mountain Duck improperly handle TLS certificate pinning for untrusted certificates (e.g., self-signed), unnecessarily installing it to the Windows Certificate Store of the current user without any restrictions.","description":"Cyberduck and Mountain Duck improperly handle TLS certificate pinning for untrusted certificates (e.g., self-signed), unnecessarily installing it to the Windows Certificate Store of the current user without any restrictions.\n\n\n\n\n\n\n\n\n\n\n\nThis issue affects Cyberduck through 9.1.6 and Mountain Duck through 4.17.5.","published":"2025-06-25T10:15:22.000Z","lastModified":"2026-06-17T09:22:41.000Z","status":"Deferred","sourceIdentifier":"1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a","cvss":{"version":"3.1","score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N"},"cwe":["CWE-266"],"affected":[],"epss":{"score":0.00187,"percentile":0.08275,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-vjjc-grpp-m655","source":"1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a"},{"url":"https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-01_Cyberduck_Mountain_Duck_Certificate_Handling","source":"1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a"},{"url":"https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-vjjc-grpp-m655","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-01_Cyberduck_Mountain_Duck_Certificate_Handling","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-41255","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}