Deserialization in Replicator Project

CVE-2021-33420

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-33420?
CVE-2021-33420 is a critical-severity vulnerability in Replicator Project, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-12-15.
How severe is CVE-2021-33420?
Critical severity. CVSS v3 base score is 9.8 out of 10.