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CVE-2020-27195

28
FAUCET Score

CVE-2020-27195 is a critical vulnerability affecting HashiCorp Nomad and Nomad Enterprise versions 0.9.0 through 0.12.5, where the client file sandbox feature can be bypassed via the template or artifact stanzas. This allows for high impact to confidentiality and integrity with no user interaction required, as indicated by its CVSS score of 9.1. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Organizations using affected versions should upgrade to 0.12.6, 0.11.5, or 0.10.6 immediately to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.9.0, <= 0.10.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
>= 0.9.0, <= 0.10.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 0.11.0, <= 0.11.4CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
>= 0.11.0, <= 0.11.4CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 0.12.0, <= 0.12.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.49%
Probability of exploitation in next 30 days
EPSS Percentile
71.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0149 is in the 58th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.10.6
gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.11.5
gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.12.6

Vendor Advisories (2)

goGHSA-77cr-6gr8-7rr9critical

Use After Free in HashiCorp Nomad

Feb 15, 2022
redhatCVE-2020-27195Moderate

nomad: file sandbox escape via template and artifact stanzas

Oct 21, 2020

References

github.com / hashicorp/nomad/blob/master/CHANGELOG.md
Release NotesThird Party Advisory
nomadproject.io / downloads
Product