.. _CVE-2021-3531:

CVE-2021-3531: Swift API denial of service
==========================================

* `NIST information page <https://nvd.nist.gov/vuln/detail/CVE-2021-3531>`_

Unauthenticated users of the Swift API can trigger a server-side assertion with a
malformed URL, leading to a denial of service.


Affected versions
-----------------

* Nautilus v14.2.0 and later

Fixed versions
--------------

* Pacific v16.2.4 (and later)
* Octopus v15.2.12 (and later)
* Nautilus v14.2.21 (and later)


Recommendations
---------------

All users of Ceph object storage (RGW) should upgrade.
