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CVE-2023-30547

71
FAUCET Score

CVE-2023-30547 is a critical sandbox escape vulnerability affecting vm2 versions up to 3.9.16, a Node.js library used for running untrusted code. Attackers can exploit a flaw in exception sanitization to escape the sandbox and execute arbitrary code on the host system. With a CVSS score of 10.0, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not currently on CISA's KEV catalog, proof-of-concept exploits are publicly available, and it has garnered significant community discussion and media coverage, indicating a high likelihood of future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.16CPE matchmatch criteria
cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
72.09%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.7209 is in the 98th percentile among its peer group of 36,862 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

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 (7)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: vm2Fixed in: 3.9.17
redhatpatch availablevia redhat_api
Product: multicluster engine for Kubernetes 2.2 for RHEL 8Fixed in: multicluster-engine/multicluster-engine-console-mce-rhel8:v2.2.3-13
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: console-container
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2.7 for RHEL 8Fixed in: rhacm2/console-rhel8:v2.7.3-16
View patch
redhatpatch availablevia redhat_api
Product: multicluster engine for Kubernetes 2.2 for RHEL 8Fixed in: multicluster-engine/console-mce-rhel8:v2.2.3-13
View patch
redhatpatch availablevia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine-console-mce-container
View patch

Vendor Advisories (2)

npmGHSA-ch3r-j5x3-6q2mcritical

vm2 Sandbox Escape vulnerability

Apr 20, 2023
redhatCVE-2023-30547Critical

vm2: Sandbox Escape when exception sanitization

Apr 17, 2023

References

gist.github.com / leesh3288/381b230b04936dd4d74aaf90cc8bb244
ExploitThird Party Advisory
github.com / patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
Patch
github.com / patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
Patch
github.com / patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
ExploitVendor Advisory