CVE-2021-33420
replicator vulnerable to Deserialization of Untrusted Data
9.8
CRITICAL
CVSS 3.1
EPSS 1.9%
Description
A deserialization issue discovered in inikulin replicator before 1.0.4 allows remote attackers to run arbitrary code via the fromSerializable function in TypedArray object.
How to fix CVE-2021-33420
To remediate CVE-2021-33420, upgrade the affected package to a fixed version below.
- npm/replicator—upgrade to 1.0.4 or later
Is CVE-2021-33420 being exploited?
Low — EPSS is 1.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.0.4
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 |