Security readout for executives and security teams
Plain-English summary
MinIO servers in the affected release range can be exhausted by anonymous HTTP clients that keep connections open. The business impact is service disruption, especially for public-facing object storage. The sources name a patched release and a reverse-proxy workaround.
Executive priority
Prioritize remediation for public-facing MinIO. The vulnerability can interrupt object storage availability, which may affect applications, backups, data pipelines, or customer-facing services that depend on MinIO.
Technical view
CVE-2022-31028 is a CWE-400 resource-consumption flaw in MinIO. Affected versions from RELEASE.2019-09-25T18-25-51Z through before RELEASE.2022-06-02T02-11-04Z can accumulate unending goroutines when clients keep HTTP connections established, leading to availability loss.
Likely exposure
Exposure is highest for internet-facing MinIO deployments running affected releases. Internal deployments may still be exposed where untrusted or compromised clients can open persistent HTTP connections to MinIO.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue is network reachable, requires no privileges or user interaction, and primarily affects availability rather than confidentiality or integrity.
Researcher notes
CVSS 3.1 is 7.5 with AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The advisory identifies affected releases and the patched release. Evidence provided supports denial-of-service risk only, not data theft, tampering, or confirmed in-the-wild exploitation.
Mitigation direction
- Upgrade MinIO to RELEASE.2022-06-02T02-11-04Z or later.
- Place a reverse proxy in front of MinIO where immediate upgrade is delayed.
- Configure the proxy to limit attempted connections to MinIO.
- Reject connections from clients exhibiting malicious keep-alive behavior.
- Check MinIO vendor guidance before applying compensating controls.
Validation and detection
- Inventory all MinIO deployments and record their exact release versions.
- Confirm no deployment runs within the affected release range.
- Identify whether any affected MinIO service is publicly reachable.
- Verify reverse proxy connection limits protect any temporarily affected deployment.
- Monitor for abnormal connection and goroutine growth around MinIO services.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-31028 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/minio/minio/security/advisories/GHSA-qrpr-r3pw-f636CVE reference · x_refsource_CONFIRM
- https://github.com/minio/minio/pull/14995CVE reference · x_refsource_MISC
- https://gist.github.com/harshavardhana/2d00e6f909054d2d2524c71485ad02e1CVE reference · x_refsource_MISC
- https://github.com/minio/minio/releases/tag/RELEASE.2022-06-03T01-40-53ZCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.