CVE-2023-28434
MinIO Security Feature Bypass Vulnerability
Summary
MinIO contains a security feature bypass vulnerability that allows an attacker to use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket` to conduct privilege escalation. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access.
Affected software
Vendor: MinIO · Product: MinIO
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in MinIO
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2023-28432 | MinIO Information Disclosure Vulnerability | 84.0% | Yes |
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