CVE-2021-33420

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Published Dec 15, 2022 CVSS 3.1 · 9.8 Critical EPSS 1.7% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:replicator_project:replicator:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-7653	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.
Github GHSA	GHSA-hw46-vg6w-88fj	replicator vulnerable to Deserialization of Untrusted Data

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.7% (1.715% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://advisory.checkmarx.net/advisory/CX-2021-4787
https://github.com/inikulin/replicator/commit/2c626242fb4a118855262c64b5731b2ce98e521b
https://github.com/inikulin/replicator/issues/16
https://github.com/inikulin/replicator/pull/17

History

Apr 21, 2025 8:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Replicator Project Replicator

Weaknesses

CWE-502

Sources

CVE record Updated: Apr 21, 2025, 7:17 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 15, 2022, 12:00 AM
Updated: Apr 21, 2025, 7:17 PM
Reserved: May 20, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 11:50 PM

Updated: Aug 3, 2024, 11:50 PM

NVD Updated: Jun 17, 2026, 3:54 AM

Status: Modified
Published: Dec 15, 2022, 7:15 PM
Modified: Jun 17, 2026, 3:54 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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