Vulnerability CVE-2021-32800
Published: 2021-09-07   Modified: 2021-09-08

Description:
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.

Type:

CWE-306

 (Missing Authentication for Critical Function)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Nextcloud -> Nextcloud 

 References:
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gv5w-8q25-785v
https://hackerone.com/reports/1271052
https://github.com/nextcloud/server/pull/28078
Copyright 2024, cxsecurity.com

 

Back to Top