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CVE-2021-3283· NVD / CVE Program· CNA mitre

HashiCorp Nomad and Nomad Enterprise up to 0.12.9 exec and java task drivers can access processes associated with other tasks on the same no

HashiCorp Nomad and Nomad Enterprise up to 0.12.9 exec and java task drivers can access processes associated with other tasks on the same node. Fixed in 0.12.10, and 1.0.3.

HighCVSS 7.5 · v3.1—No exploit Fix available
Published
Feb 1, 2021
Updated
Jun 17, 2026
EPSS
1.5% · 72th percentile
CWE
—
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.5%

Affected systems

VendorProduct
hashicorpnomad

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • hashicorp nomadbefore 0.12.10
  • hashicorp nomad1.0.0 and later · before 1.0.3

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Gogithub.com/hashicorp/nomadfrom 1.0.0 · before 1.0.31.0.3
Gogithub.com/hashicorp/nomadbefore 0.12.100.12.10

Same product

hashicorp: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-12618HashiCorp Nomad 0.9.0 through 0.9.1 has Incorrect Access Control via the exec driver.
    40Plan
  • CVE-2023-1782Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation
    39Monitor
  • CVE-2022-30324HashiCorp Nomad and Nomad Enterprise version 0.2.0 up to 1.3.0 were impacted by go-getter vulnerabilities enabling privilege escalation thro
    39Monitor
  • CVE-2020-7956HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region associated with TLS certificates used for mTLS RPC, and
    39Monitor
  • CVE-2020-27195HashiCorp Nomad and Nomad Enterprise version 0.9.0 up to 0.12.5 client file sandbox feature can be subverted using either the template or ar
    36Monitor
  • CVE-2026-7474Nomad vulnerable to path traversal in dynamic host volume which may lead to code execution
    35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
n/a n/a0.12.10 · descriptionVendor (CNA)
Go:github.com/hashicorp/nomad0.12.10Package registry (OSV)
Go:github.com/hashicorp/nomad1.0.3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records