CVE-2021-32726 Common Vulnerabilities and Exposures

Upstream information

CVE-2021-32726 at MITRE

Description

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1188254 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2021:1068-1, published Wed Jul 21 03:40:09 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 12	`nextcloud >= 20.0.11-28.1` `nextcloud-apache >= 20.0.11-28.1`	Patchnames: openSUSE-2021-1068
SUSE Package Hub 15 SP1	`nextcloud >= 20.0.11-bp151.3.15.1` `nextcloud-apache >= 20.0.11-bp151.3.15.1`	Patchnames: openSUSE-2021-1068
SUSE Package Hub 15 SP2	`nextcloud >= 20.0.11-bp152.2.9.1` `nextcloud-apache >= 20.0.11-bp152.2.9.1`	Patchnames: openSUSE-2021-1068
SUSE Package Hub 15 SP3	`nextcloud >= 20.0.11-bp153.2.3.1` `nextcloud-apache >= 20.0.11-bp153.2.3.1`	Patchnames: openSUSE-2021-1068
openSUSE Leap 15.2	`nextcloud >= 20.0.11-lp152.3.9.1` `nextcloud-apache >= 20.0.11-lp152.3.9.1`	Patchnames: openSUSE-2021-1068
openSUSE Leap 15.3	`nextcloud >= 20.0.11-bp153.2.3.1` `nextcloud-apache >= 20.0.11-bp153.2.3.1`	Patchnames: openSUSE-2021-1068

SUSE Timeline for this CVE

CVE page created: Tue Jul 13 09:36:37 2021
CVE page last modified: Tue May 23 18:08:23 2023