CVE Vulnerability

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://hackerone.com/reports/924393 Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-037 Broken Link Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Information

Published : 2020-11-02 09:15

Updated : 2022-09-27 03:47

NVD link : CVE-2020-8236

Mitre link : CVE-2020-8236

Products Affected
No products.
CWE
CWE-287