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Fencer Vulns
high 8.8

CVE-2021-43415 json

Improper Authentication in HashiCorp Nomad

published 2021-12-03 4 y ago modified 2026-06-17 4 mo ago also GHSA-2jhh-5xm2-j4gf , GO-2022-0573 , EUVD-2021-2424

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task driver enabled, allowed authenticated users with job submission capabilities to bypass the configured allowed image paths. Fixed in 1.0.14, 1.1.8, and 1.2.1.

Patch / fix

  • go github.com/hashicorp/nomad 1.0.14, 1.1.8, 1.2.1
  • hashicorp nomad 1.0.14, 1.1.8
  • nomad Alpine 3.18, Alpine 3.17, Alpine 3.16 1.2.6-r0

alpine advisories ALPINE-CVE-2021-43415

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • nomad Arch Linux 1.2.1-1

arch linux advisories AVG-2580

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-43415 updated cvss 8.8

nomad: QEMU task driver allowed paths bypass with job args

  • Red Hat Advanced Cluster Management for Kubernetes 2 multicluster-engine, rhacm2/openshift-hive-rhel8, rhacm2/multiclusterhub-rhel8, rhacm2/multicloud-manager-rhel8, rhacm2/cluster-curator-controller-rhel8, rhacm2/clusterlifecycle-state-metrics-rhel8
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/hashicorp/nomad
<1.0.14
>=1.1.0, <1.1.8
>=1.2.0, <1.2.1
1.0.14
1.1.8
1.2.1

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.