Vulnerability in Log4js-Node
CVE-2022-21704
log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.
EPSS: 0.003 (22.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Log4js-node — versions < 6.4.0
- Log4js_project Log4js
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, Issue Tracking)
- security-advisories@github.com (Third Party Advisory, Release Notes)
- security-advisories@github.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-21704?
- CVE-2022-21704 is a medium-severity vulnerability in Log4js-Node, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2022-01-19.
- How severe is CVE-2022-21704?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-21704 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.