Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-37218

Improper Certificate Validation

Published: Sep 07, 2021 | Modified: Sep 13, 2021
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
RedHat/V2
RedHat/V3
8.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-37218
CWEhttps://cwe.mitre.org/data/definitions/295.html

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.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Nomad Hashicorp * 1.0.10 (excluding)
Nomad Hashicorp * 1.0.10 (including)
Nomad Hashicorp 1.1.1 (including) 1.1.4 (excluding)
Nomad Ubuntu bionic *
Nomad Ubuntu hirsute *
Nomad Ubuntu trusty *
Nomad Ubuntu xenial *

Potential Mitigations

References

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