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CVE-2023-40453

19
FAUCET Score

CVE-2023-40453 affects Docker Machine through version 0.16.2, allowing a compromised worker node to inject crafted version data. This could lead to an administrator performing unsafe actions via escape sequence injection or a denial of service on a bastion node due to oversized data. Rated Medium severity (CVSS 6.5), the vulnerability requires user interaction and has a high impact on availability. There is no known active exploitation, public exploit code, or significant community discussion, and it affects an unsupported product.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.16.2CPE matchmatch criteria
cpe:2.3:a:docker:machine:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 67th percentile among its peer group of 26,221 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / docker/machine/releases
Release Notes
hackerone.com / reports/1916285
ExploitThird Party Advisory
vin01.github.io / piptagole/docker/security/gitlab/docker-machine/2023/07/07/docker-machine-attack-surface.html
ExploitThird Party Advisory