CVE-2021-4245
npm package rfc6902 vulnerable to Prototype Pollution
9.8
CRITICAL
CVSS 3.1
EPSS 0.65%
Description
A vulnerability classified as problematic has been found in chbrown rfc6902. This affects an unknown part of the file pointer.ts. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The exploit has been disclosed to the public and may be used. The name of the patch is c006ce9faa43d31edb34924f1df7b79c137096cf. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-215883.
How to fix CVE-2021-4245
To remediate CVE-2021-4245, upgrade the affected package to a fixed version below.
- —upgrade to 5.0.0 or later
Is CVE-2021-4245 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.0.0
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 |