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Fencer Vulns
critical 9.3

CVE-2020-11012 json

Authentication bypass MinIO Admin API

published 2020-04-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3402

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

MinIO versions before RELEASE.2020-04-23T00-58-49Z have an authentication bypass issue in the MinIO admin API. Given an admin access key, it is possible to perform admin API operations i.e. creating new service accounts for existing access keys - without knowing the admin secret key. This has been fixed and released in version RELEASE.2020-04-23T00-58-49Z.

Patch / fix

  • minio minio 2020-04-23t00-58-49z
  • minio Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 0.20200423-r0

alpine advisories ALPINE-CVE-2020-11012

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • MinIO minio

Classification

Weakness
  • CWE-305 Authentication Bypass by Primary Weakness
  • CWE-755 Improper Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.