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TI-2018-13932 Aliases CVE-2018-19653GHSA-4qvx-qq5w-695p

HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication…

Priority LOW 29CWE-310Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication because the verify_outgoing setting is improperly documented. NOTE: the vendor has provided reconfiguration steps that do not require a software upgrade.

Why it matters now

EPSS 0.01223 68th percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.4.1

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/consul (Go)0.5.1 to before 1.4.11.4.1Patch availableGHSA-4qvx-qq5w-695p
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/hashicorp/consul (Go) Vendor— Affected 0.5.1 to before 1.4.1 Fixed in 1.4.1 Patch available GHSA-4qvx-qq5w-695p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*0.5.1 – 1.4.0VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:* Versions 0.5.1 – 1.4.0 Vulnerable ·HashiCorp

Remediation

  • Fix · GHSA-4qvx-qq5w-695p github.com/hashicorp/consul (Go) Fixed in 1.4.1 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-19653
  2. 2026-10-03 Alias added: GHSA-4qvx-qq5w-695p

References

Patch 1

Advisory 1

Other 4

  • 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

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