CVE-2021-32678

Summary

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits are not applied to OCS API responses. This affects any OCS API controller (OCSController) using the @BruteForceProtection annotation. Risk depends on the installed applications on the Nextcloud Server, but could range from bypassing authentication ratelimits or spamming other Nextcloud users. The vulnerability is patched in versions 19.0.13, 20.0.11, and 21.0.3. No workarounds aside from upgrading are known to exist.

Affected Software

VendorProductVersion RangeStatus
nextcloudsecurity-advisories< 19.0.13affected
nextcloudsecurity-advisories>= 20.0.0, < 20.0.11affected
nextcloudsecurity-advisories>= 21.0.0, < 21.0.3affected

Weaknesses

  • CWE-799: CWE-799: Improper Control of Interaction Frequency

ADP Enrichment

CVE Program Container

Additional References

References