CVE-2021-37218 — Improper Certificate Validation in Hashicorp Nomad

CWE-295 — Improper Certificate Validation7 documents5 sources
Severity
8.8HIGHNVD
EPSS
0.2%
top 62.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Hashicorp NomadHashicorp Nomad
Timeline
PublishedSep 7
Latest updateAug 21

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶NVDhashicorp/nomad1.1.1 — 1.1.4+2
▶Gogithub.com/hashicorp_nomad1.1.0 — 1.1.4+1

🔴Vulnerability Details

5
OSV
Privilege escalation in Hashicorp Nomad in github.com/hashicorp/nomad↗2024-08-21
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OSV
Privilege escalation in Hashicorp Nomad↗2021-09-08
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GHSA
Privilege escalation in Hashicorp Nomad↗2021-09-08
▶
CVEList
CVE-2021-37218: 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 func↗2021-09-07
▶
OSV
CVE-2021-37218: 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 func↗2021-09-07
▶

📋Vendor Advisories

1
Red Hat
nomad: Raft RPC privilege escalation↗2021-09-01
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CVE-2021-37218 — Improper Certificate Validation | cvebase