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CVE-2022-21704

18
FAUCET Score

CVE-2022-21704 is a medium-severity vulnerability affecting log4js-node, where log files created by default appenders are world-readable on Unix systems, potentially exposing sensitive information. The vulnerability has a CVSS score of 5.5, indicating a low attack complexity and privilege requirement, with a high impact on confidentiality if exploited locally. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.4.0CPE matchmatch criteria
cpe:2.3:a:log4js_project:log4js:*:*:*:*:*:node.js:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 79th percentile among its peer group of 15,938 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: log4jsFixed in: 6.4.0

Vendor Advisories (1)

npmGHSA-82v2-mx6x-wq7qmedium

Incorrect Default Permissions in log4js

Jan 21, 2022

References

github.com / log4js-node/log4js-node/blob/v6.4.0/CHANGELOG.md
Release NotesThird Party Advisory
github.com / log4js-node/log4js-node/pull/1141/commits/8042252861a1b65adb66931fdf702ead34fa9b76
PatchThird Party Advisory
github.com / log4js-node/log4js-node/security/advisories/GHSA-82v2-mx6x-wq7q
PatchThird Party Advisory
github.com / log4js-node/streamroller/pull/87
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/12/msg00014.html
Mailing ListThird Party Advisory