CriticalCVECISA — Known Exploited Vulnerabilities· 19 Sept 2023

CVE-2023-28434 — MinIO Security Feature Bypass Vulnerability

Severity: Critical · Kind: Vulnerability

Plain-English summary on the way

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From the source

MinIO MinIO. 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. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability facts

CVE: CVE-2023-28434
On CISA KEV since: 2023-09-19
Ransomware use: Unknown

Read the original advisory →← All threat intel

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.