CVE-2021-32678
Low
Description
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.
SeverityLow
CVSS3.7
Exploit probability—
Product
Nextcloud Server
PublishedJul 12, 2021
First seenJul 12, 2021
Weakness typeCWE-799CWE-799
How to fix
Update
- nextcloud nextcloud_server19.0.13, 20.0.11, 21.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | v < 19.0.13, 20.0.0 ≤ v < 20.0.11, 21.0.0 ≤ v < 21.0.3 | 19.0.13, 20.0.11, 21.0.3 |
| fedoraproject fedora | 33, 34 | — |
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