CVE-2020-8236

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
NISTNIST
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
hackeroneCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
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