CVE-2020-8236: Nextcloud Server

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Nextcloud Nextcloud Server: before 19.0.2 (fixed in 19.0.2)

Published 2020-11-02. Last modified 2026-06-17.