CVE-2021-32800 HIGH

CVE-2021-32800: Bypass of Two Factor Authentication in Nextcloud server

Vendor Nextcloud
Product security-advisories
Weakness CWE-306 · Missing auth
Published September 7, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Nextcloud server is an open source, self hosted personal cloud. In affected versions an attacker is able to bypass Two Factor Authentication in Nextcloud. Thus knowledge of a password, or access to a WebAuthN trusted device of a user was sufficient to gain access to an account. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. There are no workaround for this vulnerability.

Key dates

02Disclosure timeline

September 7, 2021 CVE published
August 3, 2024 Record updated