Privilege escalation in Hashicorp Nomad

HIGH 8.8CVE-2021-37218 · GHSA-c8x3-rg72-fwwg · GO-2022-0591 · Published 07/09/2021 · updated 17/06/2026

In short

CVE-2021-37218 is a HIGH (CVSS 8.8) vulnerability affecting github.com/hashicorp/nomad, nomad (hashicorp).
Chance of exploitation in the next 30 days (EPSS): 0.67%, higher than 52.0% of all vulnerabilities.
Fix: update to 1.1.4, 1.0.10 or later.

Package	Affected versions	Patched versions
github.com/hashicorp/nomad Go	`≥ 1.1.0, < 1.1.4< 1.0.10`	`1.1.41.0.10`
nomad hashicorp	`≥ 1.1.1, < 1.1.4≤ 1.0.10< 1.0.10`	`1.1.41.0.10`

Description

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2021-37218 · ADVISORY
discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023 · WEB
hashicorp/nomad · PACKAGE
hashicorp.com/blog/category/nomad · WEB
GitHub Advisory GHSA-c8x3-rg72-fwwg · ADVISORY

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Package

Affected versions

Patched versions

github.com/hashicorp/nomad

≥ 1.1.0, < 1.1.4< 1.0.10

1.1.41.0.10

nomad

hashicorp

≥ 1.1.1, < 1.1.4≤ 1.0.10< 1.0.10

1.1.41.0.10

Description

NVD description

More vulnerabilities in github.com/hashicorp/nomad

See all →