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CVE-2021-21390

MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-17T02-33-02Z, there is a vulnerability which enables MITM modification of request bodies that are meant to have integrity guaranteed by chunk signatures. In a PUT request using aws-chunked encoding, MinIO ordinarily verifies…

Severity
Medium 5.9
Published
19 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2021-03-17t02-33-02z
Sources
NVD

Affected software

SoftwareAffected versions
MinIOServers and applications · cpe:a:minio:minio
  • Every version before 2021-03-17t02-33-02z

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21390
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21390