UpHeron
All vulnerabilities

Servers and applications

CVE-2021-32657

Nextcloud Server is a Nextcloud package that handles data storage. In versions of Nextcloud Server prior to 10.0.11, 20.0.10, and 21.0.2, a malicious user may be able to break the user administration page. This would disallow administrators to administrate users on the Nextcloud instance. The vulnerability is fixed in versions 19.0.11, 20.0.10, and 21.0.2. As a workaround, administrators can use…

Severity
Medium 4.3
Published
1 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.0.11, 20.0.10, 21.0.2
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • Every version before 19.0.11
  • From 20.0.0 before 20.0.10
  • From 21.0.0 before 21.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-32657
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-32657