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CVE-2023-23918

25
FAUCET Score

CVE-2023-23918 is a privilege escalation vulnerability affecting Node.js versions prior to 19.6.1, 18.14.1, 16.19.1, and 14.21.3. It allows an attacker to bypass the experimental Permissions feature, when enabled with --experimental-policy, to access unauthorized modules via process.mainModule.require(). This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that could lead to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 14.0.0, <= 14.14.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
>= 14.0.0, < 14.21.3CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
>= 16.0.0, <= 16.12.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
>= 16.0.0, < 16.19.1CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
>= 18.0.0, <= 18.11.0CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*

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
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 63rd 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 (18)

microsoftpatch availablevia msrc
Product: cm1 nodejs 14.21.3-1 on CBL Mariner 1.0Fixed in: 14.21.3-1
microsoftpatch availablevia msrc
Product: cbl2 nodejs 16.19.1-1 on CBL Mariner 2.0Fixed in: 16.19.1-1
microsoftpatch availablevia msrc
Product: 17938-16820Fixed in: 14.21.3-1
microsoftpatch availablevia msrc
Product: 17939-16823Fixed in: 16.19.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 16.19.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 16.19.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 14.21.3-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 14.21.3-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: nodejs:14-8060020230306170237.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: nodejs:18-9020020230327152102.rhel9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: nodejs-1:16.19.1-1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-0:3.6-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-0:14.21.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: nodejs:14-8040020230306170312.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:16-8070020230314140722.bd1311ed
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:18-8070020230322080930.bd1311ed
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:14-8070020230306170042.bd1311ed
View patch
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-system-container

Vendor Advisories (3)

microsoft2023-Mar/CVE-2023-23918

CVE-2023-23918

Mar 14, 2023
redhatCVE-2023-23918Moderate

Node.js: Permissions policies can be bypassed via process.mainModule

Feb 16, 2023
microsoft2023-Feb/CVE-2023-23918Important

A privilege escalation vulnerability exists in Node.js <19.6.1 <18.14.1 <16.19.1 and <14.21.3 that made it possible to bypass the experimental Permissions (https://nodejs.org/api/permissions.html) feature in Node.js and access non authorized modules by using process.mainModule.require(). This only affects users who had enabled the experimental permissions option with --experimental-policy.

Feb 14, 2023

References

nodejs.org / en/blog/vulnerability/february-2023-security-releases
PatchVendor Advisory
security.netapp.com / advisory/ntap-20230316-0008