CVE-2025-41255 HIGH

CVE-2025-41255: Cyberduck and Mountain Duck - Improper Certificate Store Handling

Vendor Iterate Gmbh
Product Cyberduck
Weakness CWE-266
Published June 25, 2025
Last update June 25, 2025
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 25, 2025 CVE published
June 25, 2025 Record updated