CVE-2025-41256
Cyberduck and Mountain Duck TLS Certificate Pinning Weakness
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.
INFO
Published Date :
June 25, 2025, 10:15 a.m.
Last Modified :
June 25, 2025, 2:15 p.m.
Source :
1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2025-41256
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-41256.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-41256 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-41256 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 25, 2025
Action Type Old Value New Value Added Reference https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv Added Reference https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash -
New CVE Received by 1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a
Jun. 25, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-328 Added Reference https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv Added Reference https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-41256 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-41256
weaknesses.