HashiCorp Nomad and Nomad Enterprise Raft RPC layer allows non-server agents with a valid…
Priority LOW 39CWE-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 Nomad and Nomad Enterprise 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 1.0.10 and 1.1.4.
Why it matters now
EPSS 0.0067 52nd percentileScored 2026-11-07
Fix Fixed github.com/hashicorp/nomad (Go): 1.0.10, 1.1.4
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/nomad (Go) | before 1.0.10 | 1.0.10 | Patch available | GHSA-c8x3-rg72-fwwg |
| — | github.com/hashicorp/nomad (Go) | 1.1.0 to before 1.1.4 | 1.1.4 | Patch available | GHSA-c8x3-rg72-fwwg |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/hashicorp/nomad (Go) Vendor— Affected before 1.0.10 Fixed in 1.0.10 Patch available GHSA-c8x3-rg72-fwwg
- github.com/hashicorp/nomad (Go) Vendor— Affected 1.1.0 to before 1.1.4 Fixed in 1.1.4 Patch available GHSA-c8x3-rg72-fwwg
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* | before 1.0.10 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* | up to 1.0.10 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* | 1.1.1 to before 1.1.4 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* | 1.1.1 to before 1.1.4 | Vulnerable | HashiCorp |
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* Versions before 1.0.10 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* Versions up to 1.0.10 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* Versions 1.1.1 to before 1.1.4 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* Versions 1.1.1 to before 1.1.4 Vulnerable ·HashiCorp
Remediation
- Fix · GHSA-c8x3-rg72-fwwg github.com/hashicorp/nomad (Go) Fixed in 1.0.10 Advisory →
- Fix · GHSA-c8x3-rg72-fwwg github.com/hashicorp/nomad (Go) Fixed in 1.1.4 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Advanced Cluster Management for Kubernetes 2
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37218
- 2026-10-03 Alias added: GHSA-c8x3-rg72-fwwg
References
More HashiCorp Nomad vulnerabilities
- TI-2019-09419 HashiCorp Nomad 0.9.0 through 0.9.1 has Incorrect Access Control via the exec driver. CVSS 3.0CRITICAL 9.8
- TI-2022-12559 HashiCorp Nomad and Nomad Enterprise version 0.2.0 up to 1.3.0 were impacted by go-getter… CVSS 3.1CRITICAL 9.8
- TI-2023-01674 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation CVSS 3.1CRITICAL 10.0
- TI-2020-06436 HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region… CVSS 3.1CRITICAL 9.8
- TI-2020-16532 HashiCorp Nomad and Nomad Enterprise version 0.9.0 up to 0.12.5 client file sandbox… CVSS 3.1CRITICAL 9.1
- TI-2021-19357 HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task… CVSS 3.1HIGH 8.8
Sources
- CVE-2021-37218 · CVE Program
- CVE-2021-37218 · NVD
- FIRST EPSS
- GHSA-c8x3-rg72-fwwg · GitHub Advisory Database · CC BY 4.0
- CVE-2021-37218 · 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