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: Does not affect SUSE products

This issue is currently rated as having important 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
Access Vector Network
Access 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:

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