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TI-2021-16150 Aliases CVE-2021-38554GHSA-6239-28c2-9mrm

HashiCorp Vault and Vault Enterprise’s UI erroneously cached and exposed user-viewed…

Priority LOW 26CWE-212Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

HashiCorp Vault and Vault Enterprise’s UI erroneously cached and exposed user-viewed secrets between sessions in a single shared browser. Fixed in 1.8.0 and pending 1.7.4 / 1.6.6 releases.

Why it matters now

EPSS 0.00911 60th percentileScored 2026-11-07
Fix Partial github.com/hashicorp/vault (Go): 1.6.6, 1.7.4Red Hat: 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/hashicorp/vault (Go)before 1.6.61.6.6Patch availableGHSA-6239-28c2-9mrm
—github.com/hashicorp/vault (Go)1.7.0 to before 1.7.41.7.4Patch availableGHSA-6239-28c2-9mrm
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/hashicorp/vault (Go) Vendor— Affected before 1.6.6 Fixed in 1.6.6 Patch available GHSA-6239-28c2-9mrm
  • github.com/hashicorp/vault (Go) Vendor— Affected 1.7.0 to before 1.7.4 Fixed in 1.7.4 Patch available GHSA-6239-28c2-9mrm

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*before 1.8.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*before 1.8.0VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* Versions before 1.8.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* Versions before 1.8.0 Vulnerable ·HashiCorp

Remediation

  • Fix · GHSA-6239-28c2-9mrm github.com/hashicorp/vault (Go) Fixed in 1.6.6 Advisory →
  • Fix · GHSA-6239-28c2-9mrm github.com/hashicorp/vault (Go) Fixed in 1.7.4 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 4AffectedNo fix planned: Will not fix
Red Hat Openshift Container Storage 4AffectedNo fix planned: Out of support scope
Not affected: 4 products
  • Logging Subsystem for Red Hat OpenShift
  • OpenShift Service Mesh 2.0
  • Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat Openshift Data Foundation 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38554
  2. 2026-10-03 Alias added: GHSA-6239-28c2-9mrm

References

Advisory 3

Other 3

  • TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
  • TI-2022-19053 An issue was discovered in HashiCorp Vault and Vault Enterprise before 1.11.3. CVSS 3.1CRITICAL 9.1
  • TI-2020-17874 The official vault docker images before 0.11.6 contain a blank password for a root user. CVSS 3.1CRITICAL 9.8
  • TI-2020-10142 HashiCorp Vault and Vault Enterprise 1.4.0 and 1.4.1, when configured with the GCP… CVSS 3.1CRITICAL 9.8
  • TI-2026-04407 Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS CVSS 3.1HIGH 8.6
  • TI-2025-05421 Arbitrary Remote Code Execution via Plugin Catalog Abuse CVSS 3.1CRITICAL 9.1
See all 71 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences