CVE-2021-23421
Prototype Pollution in merge-change
9.8
CRITICAL
CVSS 3.1
EPSS 0.53%
Description
All current versions of package merge-change are vulnerable to Prototype Pollution via the utils.set function.
How to fix CVE-2021-23421
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- npm/merge-change—no fix listed
Is CVE-2021-23421 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 1.8.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |