Bug 2004925 (CVE-2021-32800)

Summary: CVE-2021-32800 nextcloud: authentication bypass
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ce, james.hogarth
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: nextcloud 20.0.12, nextcloud 21.0.4, nextcloud 22.1.0 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-09-16 18:21:24 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 2004926    
Bug Blocks:    

Description Marian Rehak 2021-09-16 13:03:44 UTC
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. 

Upstream Advisory:


Comment 1 Marian Rehak 2021-09-16 13:04:02 UTC
Created nextcloud tracking bugs for this issue:

Affects: fedora-all [bug 2004926]

Comment 2 Product Security DevOps Team 2021-09-16 18:21:24 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.