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CVE-2020-28348

21
FAUCET Score

CVE-2020-28348 describes a sandbox escape vulnerability in HashiCorp Nomad and Nomad Enterprise versions 0.9.0 through 0.12.7, where the client Docker file sandbox feature can be subverted if not explicitly disabled or when using a volume mount. With a CVSS score of 6.5 (Medium), this vulnerability allows an authenticated attacker to achieve high confidentiality impact with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.9.0, < 0.10.8CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 0.11.0, < 0.11.7CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 0.12.0, < 0.12.8CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
>= 0.9.0, < 0.10.8CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
>= 0.11.0, < 0.11.7CPE matchmatch criteria
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 87th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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: 0.10.8
gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.11.7
gopatch availablevia ghsa
Product: github.com/hashicorp/nomadFixed in: 0.12.8

Vendor Advisories (1)

goGHSA-5x92-p4p5-33c4medium

Path Traversal in HashiCorp Nomad

Feb 15, 2022

References

github.com / hashicorp/nomad/blob/master/CHANGELOG.md
Release NotesThird Party Advisory
github.com / hashicorp/nomad/issues/9303
Issue TrackingThird Party Advisory