How severe is CVE-2020-24407?

CVE-2020-24407 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24407?

CVE-2020-24407 primarily affects Magento. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-24407?

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-2020-24407 published?

CVE-2020-24407 was published on 2020-11-09 and last updated on 2026-06-17.

CVE-2020-24407

CVE-2020-24407 is a critical-severity vulnerability in Magento with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 9.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Magento
Published: 2020-11-09
Last modified: 2026-06-17

Description

Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by an unsafe file upload vulnerability that could result in arbitrary code execution. This vulnerability could be abused by authenticated users with administrative permissions to the System/Data and Transfer/Import components.

Frequently asked questions

What is CVE-2020-24407?: Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by an unsafe file upload vulnerability that could result in arbitrary code execution. This vulnerability could be abused by authenticated users with administrative permissions to the System/Data and Transfer/Import components.
How severe is CVE-2020-24407?: CVE-2020-24407 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24407?: CVE-2020-24407 primarily affects Magento. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-24407?: 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-2020-24407 published?: CVE-2020-24407 was published on 2020-11-09 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb20-59.html

Affected products (8)

cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.3.5:-:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.3.5:-:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.3.5:p1:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.3.5:p1:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.4.0:*:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.4.0:*:*:*:open_source:*:*:*

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