Internal NCryptDecrypt method could be used externally from WindowsHello library.
Impact
Every user of the library before version 1.0.4.
Patches
Patched in 1.0.4+.
Workarounds
None.
References
https://github.com/SeppPenner/WindowsHello/issues/3
For more information
It this library is used to encrypt text and write the output to a txt file, another executable could be able to decrypt the text using the static method NCryptDecrypt from this same library without the need to use Windows Hello Authentication again.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | HaemmerElectronics.SeppPenner.WindowsHello | < 1.0.4 | 1.0.4 |
References
- CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-288- Platform
- .NET (NuGet)
- Package
HaemmerElectronics.SeppPenner.WindowsHello- Disclosed
- 14.04.2020
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-wvpv-ffcv-r6cw - CC BY 4.0
Vulnerability history: HaemmerElectronics.SeppPenner.WindowsHello
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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