CVE-2020-8236

EUVD-2020-29108
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
PHYSICAL
LOW
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
Affected Products (NVD)
VendorProductVersion
nextcloudnextcloud_server
𝑥
< 19.0.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hackerone.com/reports/924393
https://nextcloud.com/security/advisory/?id=NC-SA-2020-037
https://hackerone.com/reports/924393
https://nextcloud.com/security/advisory/?id=NC-SA-2020-037