CVE-2023-28434

unknown KEV
Published 2023-09-05 · Modified 2023-09-19
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H
CVSS v2
VIR risk
1.5

Description

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.

CISA KEV

Vendor
MinIO
Product
MinIO
Due date
2023-10-10

Predictions

Exploit likelihood
99%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c; https://nvd.nist.gov/vuln/detail/CVE-2023-28434

Exploits

Package impact

EcosystemPackageVulnerableFixed
golang Gogithub.com/minio/minio<0.0.0-2023032004150.0.0-202303200415

References

Verify integrity in audit chain (admin only). AS-IS.