UpHeron
All vulnerabilities

Servers and applications

CVE-2021-32654

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker is able to receive write/read privileges on any Federated File Share. Since public links can be added as federated file share, this can also be exploited on any public link. Users can upgrade to patched versions (19.0.11, 20.0.10 or 21.0.2) or, as a workaround,…

Severity
Critical 9.1
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-2021-32654
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-32654