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CVE-2020-8236

Description

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.

POC

Reference

- https://hackerone.com/reports/924393

Github

- https://github.com/Live-Hack-CVE/CVE-2020-8236