CVE-2021-3757
Prototype Pollution in immer
7.5
HIGH
CVSS 3.1
EPSS 0.45%
Description
immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
How to fix CVE-2021-3757
To remediate CVE-2021-3757, upgrade the affected package to a fixed version below.
- npm/immer—upgrade to 9.0.6 or later
Is CVE-2021-3757 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 7.0.0, < 9.0.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |