HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents…
Priority MEDIUM 40CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295.
Summary
HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.
Why it matters now
EPSS 0.01149 67th percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.10.2, 1.9.9, 1.8.15
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/hashicorp/consul (Go) | 1.10.1 to before 1.10.2 | 1.10.2 | Patch available | GHSA-ccw8-7688-vqx4 |
| — | github.com/hashicorp/consul (Go) | 1.9.0 to before 1.9.9 | 1.9.9 | Patch available | GHSA-ccw8-7688-vqx4 |
| — | github.com/hashicorp/consul (Go) | before 1.8.15 | 1.8.15 | Patch available | GHSA-ccw8-7688-vqx4 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/consul (Go) Vendor— Affected 1.10.1 to before 1.10.2 Fixed in 1.10.2 Patch available GHSA-ccw8-7688-vqx4
- github.com/hashicorp/consul (Go) Vendor— Affected 1.9.0 to before 1.9.9 Fixed in 1.9.9 Patch available GHSA-ccw8-7688-vqx4
- github.com/hashicorp/consul (Go) Vendor— Affected before 1.8.15 Fixed in 1.8.15 Patch available GHSA-ccw8-7688-vqx4
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | before 1.8.15 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | before 1.8.15 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | 1.9.0 to before 1.9.9 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | 1.9.0 to before 1.9.9 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | 1.10.0 to before 1.10.2 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | 1.10.0 to before 1.10.2 | Vulnerable | HashiCorp |
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions before 1.8.15 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions before 1.8.15 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions 1.9.0 to before 1.9.9 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.9.0 to before 1.9.9 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions 1.10.0 to before 1.10.2 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.10.0 to before 1.10.2 Vulnerable ·HashiCorp
Remediation
- Fix · GHSA-ccw8-7688-vqx4 github.com/hashicorp/consul (Go) Fixed in 1.10.2 Advisory →
- Fix · GHSA-ccw8-7688-vqx4 github.com/hashicorp/consul (Go) Fixed in 1.9.9 Advisory →
- Fix · GHSA-ccw8-7688-vqx4 github.com/hashicorp/consul (Go) Fixed in 1.8.15 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- OpenShift Service Mesh 1
- OpenShift Service Mesh 2.0
- Red Hat Advanced Cluster Management for Kubernetes 2
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37219
- 2026-10-03 Alias added: GHSA-ccw8-7688-vqx4
References
Advisory 4
Other 5
- https://github.com/hashicorp/consul/pull/10925
- https://github.com/hashicorp/consul/commit/3357e57dac9aadabd476f7a14973e47f003c4cf0
- https://github.com/hashicorp/consul/commit/473edd1764b6739e2e4610ea5dede4c2bc6009d1
- https://github.com/hashicorp/consul/commit/ccf8eb1947357434eb6e66303ddab79f4c9d4103
- https://github.com/hashicorp/consul
More HashiCorp Consul vulnerabilities
- 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
Sources
- CVE-2021-37219 · CVE Program
- CVE-2021-37219 · NVD
- FIRST EPSS
- GHSA-ccw8-7688-vqx4 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-37219 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences