UpHeron
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Servers and applications

CVE-2021-22877

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

Severity
Medium 6.5
Published
3 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
20.0.6
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • Every version before 20.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-22877
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-22877