What’s Vulnerable › Vulnerabilities

CVE-2021-43415

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-03 · updated 2026-06-17

Description

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.

Affected products

• HashiCorp Nomad Enterprise: from 1.0.0 before 1.0.14; from 1.1.0 before 1.1.8; 1.2.0 — fixed in 1.0.14, 1.1.8

How to fix

Upgrade to a fixed version: HashiCorp Nomad Enterprise 1.0.14, 1.1.8. Check the vendor advisory for mitigations.

References

• https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288
• https://www.hashicorp.com/blog/category/nomad
• https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288
• https://www.hashicorp.com/blog/category/nomad

Get alerted when CVE-2021-43415 or the next vulnerability affects your stack