Skip to main content

Mondoo Vulnerability Intelligence

Curated by Mondoo Research, enhanced with AI

Resources

Search Vulnerabilities
Trending CVEs
Browse Ecosystems
Terminology
Blog

Open Source

cnquery
cnspec

Star us on GitHub!

Company

Mondoo Platform
About
Contact

© 2026 Mondoo, Inc.

Privacy Policy Terms of Service Imprint

Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-32800

CVE-2021-32800

HIGH8.1

Bypass of Two Factor Authentication in Nextcloud server

Published Sep 7, 2021

Modified 1 years ago

Details

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.

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gv5w-8q25-785v

https://github.com/nextcloud/server/pull/28078

https://hackerone.com/reports/1271052

https://security.gentoo.org/glsa/202208-17

https://www.cve.org/CVERecord?id=CVE-2021-32800

CVSS Analysis

CVSS v3.1

8.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

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

Weakness Type (CWE)

Authentication

Missing Authentication

Ecosystems

Timeline

PublishedSep 7, 2021

ModifiedAug 3, 2024

CVE-2021-32800 | Mondoo Vulnerability Intelligence