UpHeron
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Servers and applications

CVE-2021-32653

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workarounds outside the updates are known to exist.

Severity
Low 2.7
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-2021-32653
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-32653