How severe is CVE-2020-3716?

CVE-2020-3716 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3716 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3716?

CVE-2020-3716 primarily affects Magento. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3716?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-3716 published?

CVE-2020-3716 was published on 2020-01-29 and last updated on 2026-06-17.

CVE-2020-3716

CVE-2020-3716 is a critical-severity vulnerability in Magento with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Magento
Published: 2020-01-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-3716?: 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.
How severe is CVE-2020-3716?: CVE-2020-3716 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3716 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3716?: CVE-2020-3716 primarily affects Magento. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3716?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3716 published?: CVE-2020-3716 was published on 2020-01-29 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb20-02.html

Affected products (4)

cpe:2.3:a:magento:magento:*:*:*:*:community:*:*:*
cpe:2.3:a:magento:magento:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*

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