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CVE-2023-23920

17
FAUCET Score

CVE-2023-23920 is an untrusted search path vulnerability affecting Node.js versions prior to 19.6.1, 18.14.1, 16.19.1, and 14.21.3, impacting Debian distributions as well. With a CVSS score of 4.2 (Medium), this vulnerability requires high privileges and user interaction, allowing an attacker to potentially load malicious ICU data. There is currently no evidence of active exploitation, publicly available 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

4.2MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 80th percentile among its peer group of 177 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (19)

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 8.4 Extended Update SupportFixed in: nodejs:14-8040020230306170312.522a0ee4
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 Enterprise Linux 9.0 Extended Update SupportFixed in: nodejs-1:16.20.2-1.el9_0
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 8.6 Extended Update SupportFixed in: nodejs:14-8060020230306170237.ad008a3a
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
redhatvendor investigatingvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-system-container

Vendor Advisories (3)

microsoft2023-Mar/CVE-2023-23920

CVE-2023-23920

Mar 14, 2023
redhatCVE-2023-23920Low

Node.js: insecure loading of ICU data through ICU_DATA environment variable

Feb 16, 2023
microsoft2023-Feb/CVE-2023-23920Moderate

An untrusted search path vulnerability exists in Node.js. <19.6.1 <18.14.1 <16.19.1 and <14.21.3 that could allow an attacker to search and potentially load ICU data when running with elevated privileges.

Feb 14, 2023

References

lists.debian.org / debian-lts-announce/2023/02/msg00038.html
Mailing List
nodejs.org / en/blog/vulnerability/february-2023-security-releases
PatchVendor Advisory
security.netapp.com / advisory/ntap-20230316-0008
debian.org / security/2023/dsa-5395