CVE-2020-8236

MEDIUM

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.

References

https://hackerone.com/reports/924393

https://nextcloud.com/security/advisory/?id=NC-SA-2020-037

Details

Source: MITRE

Published: 2020-11-02

Updated: 2020-11-16

Type: CWE-287

Risk Information

CVSS v2.0

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.8

Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 0.9

Severity: MEDIUM