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CVE-2021-3283

22
FAUCET Score

CVE-2021-3283 describes a vulnerability in HashiCorp Nomad and Nomad Enterprise versions up to 0.12.9, where the exec and Java task drivers could improperly access processes belonging to other tasks on the same node. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low attack complexity, potentially leading to high confidentiality impact without requiring user interaction. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.12.10CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
< 0.12.10CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 1.0.0, < 1.0.3CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
>= 1.0.0, < 1.0.3CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 52nd percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 1.0.3
gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.12.10

Vendor Advisories (1)

goGHSA-35qp-xq9f-2rjxhigh

Improper Privilege Management in HashiCorp Nomad

Jun 24, 2021

References

discuss.hashicorp.com / t/hcsec-2021-01-nomad-s-exec-and-java-task-drivers-did-not-isolate-processes/20332
Vendor Advisory