CVE-2025-14942: Authentication Bypass
wolfSSH’s key exchange state machine can be manipulated to leak the client’s password in the clear, trick the client to send a bogus signature, or trick the client into skipping user authentication. This affects client applications with wolfSSH version 1.4.21 and earlier. Users of wolfSSH must update or apply the fix patch and it’s recommended to update credentials used. This fix is also recommended for wolfSSH server applications. While there aren’t any specific attacks on server applications, the same defect is present. Thanks to Aina Toky Rasoamanana of Valeo and Olivier Levillain of Telecom SudParis for the report.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-14942?
CVE-2025-14942 is considered a high-severity vulnerability, as it can lead to significant privacy and security risks for users.
How do I fix CVE-2025-14942?
To fix CVE-2025-14942, upgrade to wolfSSH version 1.4.22 or later.
Who is affected by CVE-2025-14942?
CVE-2025-14942 affects client applications using wolfSSH versions 1.4.21 and earlier.
What kind of attacks are possible due to CVE-2025-14942?
CVE-2025-14942 allows attackers to leak the client's password, send bogus signatures, or skip user authentication.
Is there a workaround for CVE-2025-14942?
There are no known effective workarounds for CVE-2025-14942, so upgrading is the recommended action.