CVE-2025-41256

HIGH EPSS 1.8%
Published Jun 25, 20251y ago · Modified Jun 17, 20262w ago
7.4 CVSS 3.1
High
Find Similar
Published Jun 25, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak. This issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5.

CVSS Details

Base Score
7.4
Exploitability
2.2
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
1.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-328

References 2

  • github.com https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv
  • github.com https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.