cvedb.io
CVE-2021-43858
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2021-12-27T22:15:07.703 · Last modified 2026-06-17T04:11:35.250

Summary

MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `RELEASE.2021-12-27T07-23-18Z` changes the accepted request body type and removes the ability to apply policy changes through this API. There is a workaround for this vulnerability: Changing passwords can be disabled by adding an explicit `Deny` rule to disable the API for users.

Affected products

minio — minio

Does this affect you?

Add your gear to cvedb and we'll alert you only when minio ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.