CVE-2021-41865
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job...
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
CVE-2021-41865- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
CVE-2021-41865- Updated
- 2026-11-02
EUVDEUVD-2021-28865 No score
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
EUVD-2021-28865- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g2jw-2jr4-qjj5 No score
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job...
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
GHSA-g2jw-2jr4-qjj5- Updated
- 2026-11-02
OSV
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
CVE-2021-41865- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-41865
HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.
- Record
UBUNTU-CVE-2021-41865- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41865 is a medium vulnerability (CVSS 6.5) in Hashicorp Nomad, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.
References
discuss.hashicorp.com/t/hcsec-2021-26-nomad-denial-of-service-via-submission-of-incomplete-job-specification-using-consul-mesh-gateway-host-network/30311
nvd.nist.gov/vuln/detail/CVE-2021-41865
github.com/advisories/GHSA-g2jw-2jr4-qjj5
ubuntu.com/security/CVE-2021-41865
cve.org/CVERecord?id=CVE-2021-41865