CVE-2021-37218: High severity HashiCorp Nomad vulnerability

Published Sep 7, 2021
·
Updated

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 Software

4 affected components
HashiCorp Nomad<1.0.10
HashiCorp Nomad<=1.0.10
HashiCorp Nomad>=1.1.1<1.1.4
HashiCorp Nomad>=1.1.1<1.1.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade HashiCorp Nomad and Nomad Enterprise to a version that resolves this vulnerability.

    Fixed in 1.0.10
  2. Upgrade

    Upgrade HashiCorp Nomad and Nomad Enterprise to a version that resolves this vulnerability.

    Fixed in 1.1.4

Event History

Sep 7, 2021
CVE Published
via MITRE·11:40 AM
Data Sourced
via MITRE·11:40 AM
Description
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2021-37218?

CVE-2021-37218 is a vulnerability in HashiCorp Nomad and Nomad Enterprise that allows non-server agents with a valid certificate to access server-only functionality, enabling privilege escalation.

2

How severe is CVE-2021-37218?

CVE-2021-37218 has a severity score of 8.8, which is considered high.

3

How can I fix CVE-2021-37218?

To fix CVE-2021-37218, update to version 1.0.10 or 1.1.4 of HashiCorp Nomad or Nomad Enterprise.

4

Is HashiCorp Nomad affected by CVE-2021-37218?

Yes, HashiCorp Nomad versions up to and including 1.0.10 are affected by CVE-2021-37218.

5

Where can I find more information about CVE-2021-37218?

You can find more information about CVE-2021-37218 on the HashiCorp discussion forum and the HashiCorp blog.

Contact

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