Technical Severity
HIGH
CVSS v3.1 Metrics
8.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
46.01
%
Predictive Probability
Percentile Rank
97.5
th
Documented as more likely to be exploited than 97.5% of known CVEs.
Detection Date
Sep 19, 2023
Remediation Due
Oct 10, 2023
CISA Catalog Active
Threat Analysis
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.
Remediation Directive
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.