CVE-2025-41255 | THREATINT

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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. This issue affects Cyberduck through 9.1.6 and Mountain Duck through 4.17.5.

Reserved 2025-04-16 | Published 2025-06-25 | Updated 2025-06-25 | Assigner sba-research

HIGH: 8.0CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Problem types

CWE-266: Incorrect Privilege Assignment

Product status

Default status

unaffected

Any version

affected

Default status

unaffected

Any version

affected

Credits

Thomas Kostal finder

Andreas Boll finder

References

github.com/...1_Cyberduck_Mountain_Duck_Certificate_Handling third-party-advisory

github.com/...erduck/security/advisories/GHSA-vjjc-grpp-m655 vendor-advisory

cve.org (CVE-2025-41255)

nvd.nist.gov (CVE-2025-41255)

Download JSON

https://cve.threatint.eu/CVE/CVE-2025-41255

Support options

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