Vulnerability Monitor

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CVE-2021-43415

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from hashicorp organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-12-03T22:15:07.757

Last Modified

2024-11-21T06:29:11.990

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hashicorp	nomad	< 1.0.14	Yes
Application	hashicorp	nomad	< 1.0.14	Yes
Application	hashicorp	nomad	< 1.1.8	Yes
Application	hashicorp	nomad	< 1.1.8	Yes
Application	hashicorp	nomad	1.2.0	Yes
Application	hashicorp	nomad	1.2.0	Yes

References

https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288 Mitigation, Vendor Advisory ([email protected])
https://www.hashicorp.com/blog/category/nomad Product, Vendor Advisory ([email protected])
https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288 Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.hashicorp.com/blog/category/nomad Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hashicorp's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.