CVE-2021-32800: 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…

PriorityP355high8.1CVSS 3.1

AVNACLPRLUINSUCHIHAN

EPSS

1.74%

74.9th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	< 20.0.12	20.0.12
nextcloud	nextcloud_server	>= 21.0.0 < 21.0.4	21.0.4
nextcloud	nextcloud_server	>= 22.0.0 < 22.1.0	22.1.0
nextcloud	security-advisories	< 20.0.12	20.0.12
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N

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