Vulnerability · Published Sep 7, 2021 · Assigned by mitre
CVE-2021-37218
High 8.8
In plain English
A high-severity security flaw in the github.com/hashicorp/nomad package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)0.7%top 47.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp/nomad | 1.0.10 | GHSA-c8x3-rg72-fwwg |
| Go | github.com/hashicorp/nomad | 1.1.4 | GHSA-c8x3-rg72-fwwg |
| Go | github.com/hashicorp/nomad | 1.0.10, 1.1.4 | GO-2022-0591 |
Affected products (as reported)
References
- https://www.hashicorp.com/blog/category/nomad x_refsource_MISC
- https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023 x_refsource_MISC