CVE-2021-33420

critical

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.

References

Advisories
More

https://github.com/inikulin/replicator/pull/17

https://github.com/inikulin/replicator/issues/16

https://github.com/inikulin/replicator/commit/2c626242fb4a118855262c64b5731b2ce98e521b

https://advisory.checkmarx.net/advisory/CX-2021-4787

Details

Source: Mitre, NVD

Published: 2022-12-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H