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TI-2021-09387 Aliases CVE-2021-28156GHSA-jw67-86pq-v324

HashiCorp Consul Enterprise version 1.8.0 up to 1.9.4 audit log can be bypassed by…

Priority LOW 37Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

HashiCorp Consul Enterprise version 1.8.0 up to 1.9.4 audit log can be bypassed by specifically crafted HTTP events. Fixed in 1.9.5, and 1.8.10.

Why it matters now

EPSS 0.02292 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*1.8.0 to before 1.8.10; 1.9.0 to before 1.9.5VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.8.0 to before 1.8.10; 1.9.0 to before 1.9.5 Vulnerable ·HashiCorp

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

Not affected: 5 products
  • OpenShift Service Mesh 2.0
  • Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat Fuse 7
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Virtualization 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28156
  2. 2026-10-03 Alias added: GHSA-jw67-86pq-v324

References

  • TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
  • TI-2022-11698 HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server… CVSS 3.1HIGH 7.5
  • TI-2021-02215 An issue was discovered in GoGo Protobuf before 1.3.2. CVSS 3.1HIGH 8.6
  • TI-2024-09286 Consul L7 Intentions Vulnerable To Headers Bypass CVSS 3.1HIGH 8.3
  • TI-2023-02638 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner CVSS 3.1HIGH 8.7
  • TI-2022-03595 Consul Peering Imported Nodes/Services Leak CVSS 3.1HIGH 7.5
See all 34 →

Sources