cve-2025-6433
Vulnerability from cvelistv5
Published
2025-06-24 12:28
Modified
2025-07-14 18:26
Severity ?
EPSS score ?
Summary
If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge that the user would be prompted to complete. This is in violation of the WebAuthN spec which requires "a secure transport established without errors". This vulnerability affects Firefox < 140 and Thunderbird < 140.
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Firefox | |
Mozilla | Thunderbird |
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.