CVE-2022-21803
Prototype Pollution in nconf
7.3
HIGH
CVSS 3.1
EPSS 0.64%
Description
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.
How to fix CVE-2022-21803
To remediate CVE-2022-21803, upgrade the affected package to a fixed version below.
- —upgrade to 0.11.4 or later
Is CVE-2022-21803 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.11.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |