VULNERABILITY INTELLIGENCE

CVE-2022-21803

CVSS score7.3 HIGH
EPSS probability1.78%
CISA KEVNot currently listed
Published2022-04-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.

Weakness classification

  • nvd@nist.gov: CWE-1321

Primary references