HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration…
Priority LOW 36CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · High · None
- 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 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
Why it matters now
EPSS 0.01457 73rd percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/consul (Go): 1.10.1
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) | before 1.10.1 | 1.10.1 | Patch available | GHSA-25gf-8qrr-g78r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/consul (Go) Vendor— Affected before 1.10.1 Fixed in 1.10.1 Patch available GHSA-25gf-8qrr-g78r
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | 1.3.0 to before 1.8.14 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | 1.3.0 to before 1.8.14 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | 1.9.0 to before 1.9.8 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | 1.9.0 to before 1.9.8 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* | 1.10.0 to before 1.10.1 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* | 1.10.0 to before 1.10.1 | Vulnerable | HashiCorp |
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions 1.3.0 to before 1.8.14 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.3.0 to before 1.8.14 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions 1.9.0 to before 1.9.8 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.9.0 to before 1.9.8 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* Versions 1.10.0 to before 1.10.1 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* Versions 1.10.0 to before 1.10.1 Vulnerable ·HashiCorp
Remediation
- Fix · GHSA-25gf-8qrr-g78r github.com/hashicorp/consul (Go) Fixed in 1.10.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-32574
- 2026-10-03 Alias added: GHSA-25gf-8qrr-g78r
References
Advisory 5
- https://www.hashicorp.com/blog/category/consul
- https://github.com/hashicorp/consul/releases/tag/v1.10.1
- https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856
- GLSA-202208-09
- https://nvd.nist.gov/vuln/detail/CVE-2021-32574
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-2021-32574 · CVE Program
- CVE-2021-32574 · NVD
- FIRST EPSS
- GHSA-25gf-8qrr-g78r · GitHub Advisory Database · CC BY 4.0
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