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CVE-2023-28433 Details

Description

Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the `\` character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to `PutObject` in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8	CVE	Patch
https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc	CVE	Patch
https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z	CVE	Release Notes
https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6	CVE	Vendor Advisory
https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8	[email protected]	Patch
https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc	[email protected]	Patch
https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z	[email protected]	Release Notes
https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6	[email protected]	Vendor Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-668	Exposure of Resource to Wrong Sphere	[email protected]

Affected Products

Product	Versions
minio minio	< 2023-03-20t20-16-18z
CPE cpe:2.3:a:minio:minio:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Mar 28, 2023	Initial Analysis	[email protected]