CVE-2021-39225

Summary

Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcloud Deck before 1.2.9, 1.4.5 and 1.5.3 allows another authenticated users to access Deck cards of another user. It is recommended that the Nextcloud Deck App is upgraded to 1.2.9, 1.4.5 or 1.5.3. There are no known workarounds aside from upgrading.

Affected Software

VendorProductVersion RangeStatus
nextcloudsecurity-advisories< 1.2.9affected
nextcloudsecurity-advisories>= 1.4.0, < 1.4.5affected
nextcloudsecurity-advisories>= 1.5.0, < 1.5.3affected

Weaknesses

  • CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key

ADP Enrichment

CVE Program Container

Additional References

References