CVE-2023-28434

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-28434

Confirmed

Yes

2023-09-19 00:00 UTC

Timestamps

2023-09-19

2023-09-19

Scope

KEV entry: MinIO Security Feature Bypass Vulnerability | Affected: MinIO / MinIO | 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-10 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c; https://nvd.nist.gov/vuln/detail/CVE-2023-28434

References
  • {'id': 'CVE-2023-28434', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-28434'}

13a8fe60-ab19-47d7-9578-d1a2c844f794

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-269"
  ],
  "date_added": "2023-09-19",
  "due_date": "2023-10-10",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "MinIO",
  "vendorProject": "MinIO",
  "vulnerabilityName": "MinIO Security Feature Bypass Vulnerability"
}
 -
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