Medium severity5.1NVD Advisory· Published Apr 14, 2020· Updated Jun 17, 2026
CVE-2020-11005
CVE-2020-11005
Description
The WindowsHello open source library (NuGet HaemmerElectronics.SeppPenner.WindowsHello), before version 1.0.4, has a vulnerability where encrypted data could potentially be decrypted without needing authentication. If the 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. This has been patched in version 1.0.4.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
HaemmerElectronics.SeppPenner.WindowsHelloNuGet | < 1.0.4 | 1.0.4 |
Affected products
3- cpe:2.3:a:windowshello_project:windowshello:*:*:*:*:*:*:*:*Range: <1.0.4
- Range: < 1.0.4
Patches
Vulnerability mechanics
References
4- github.com/SeppPenner/WindowsHello/issues/3nvdIssue TrackingThird Party AdvisoryWEB
- github.com/SeppPenner/WindowsHello/security/advisories/GHSA-wvpv-ffcv-r6cwnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-wvpv-ffcv-r6cwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-11005ghsaADVISORY
News mentions
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