CVE-2023-25812 Allowed DELETE on resources on object locked buckets under Governance mode in Minio

What is CVE-2023-25812?

CVE-2023-25812 is a medium-severity missing authorization vulnerability in minio, published on 21 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Minio is a Multi-Cloud Object Storage framework. Affected versions do not correctly honor a `Deny` policy on ByPassGoverance. Ideally, minio should return "Access Denied" to all users attempting to DELETE a versionId with the special header `X-Amz-Bypass-Governance-Retention: true`. However, this was not honored instead the request will be honored and an object under governance would be incorrectly deleted. All users are advised to upgrade. There are no known workarounds for this issue.

Weakness: CWE-281

Which versions are affected by CVE-2023-25812?

It affects 1 product.

Products include Minio Minio.

How do I fix CVE-2023-25812?

No fix has been published for CVE-2023-25812 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-25812 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25812 exists.

Other vulnerabilities in minio

• CVE-2023-28434 MinIO Security Feature Bypass Exploited High 8.8
• CVE-2023-28432 MinIO Information Disclosure Exploited High 7.5
• CVE-2020-11012 Authentication bypass MinIO Admin API Critical 9.3
• CVE-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication Critical 9.2
• CVE-2026-33419 MinIO: LDAP login brute-force via user enumeration and missing rate limit Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-c8fc-mjj8-fc63.