CVE-2020-11012 Authentication bypass MinIO Admin API
Attackers with an admin access key can bypass authentication to perform admin operations and create service accounts without the secret key.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11012?
CVE-2020-11012 is a critical authentication bypass vulnerability in minio, published on 23 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2020-11012?
It affects 1 product.
Products include Minio Minio.
How do I fix CVE-2020-11012?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-11012 being exploited?
There is no known exploitation of CVE-2020-11012 in the wild and no public exploit code.
Other vulnerabilities in minio
- CVE-2023-28434 MinIO Security Feature Bypass
- CVE-2023-28432 MinIO Information Disclosure
- CVE-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication
- CVE-2026-33419 MinIO: LDAP login brute-force via user enumeration and missing rate limit
- CVE-2026-40344 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
Sources
Also known as CLEANSTART-2026-RL62768, GHSA-xv4r-vccv-mg4w, MINI-8gv6-436h-p8gj, MINI-mr25-82r3-qr86.