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CVE-2020-3716

CRITICAL

Magento versions 2.3.3 and earlier, 2.2.10 and earlier, 1.14.4.3 and earlier, and 1.9.4.3 and earlier have a deserialization of untrusted data vulnerability. Successful exploitation could lead to arbitrary code execution.

Published: Jan 29, 2020 Modified: Jun 17, 2026
CWE-502

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

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

Affected Products (6)

Vendor Product Version
magento magento *
magento magento *
magento magento * ≥ 2.2.0
magento magento * ≥ 2.2.0
magento magento * ≥ 2.3.0
magento magento * ≥ 2.3.0

GitHub Security Advisory GHSA-9wc9-498w-h8xv

Magento deserialization vulnerability

composer magento/community-edition >= 2.2.0, < 2.2.11 Fixed: 2.2.11
composer magento/community-edition >= 2.3.0, < 2.3.4 Fixed: 2.3.4

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 13.96%

Top 4% most likely to be exploited

Threat Score 43.4 / 100

Data Sources

NVD EPSS GitHub