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MEDIUM severity

CVE-2020-24402 — community-edition

MEDIUM

CVE-2020-24402 is a medium-severity (CVSS 4.9) Incorrect Default Permissions vulnerability in magento/community-edition. A fix is available for magento/community-edition — see the affected versions and patch details below.

Magento incorrect permissions vulnerability in the Integrations component

Also known asBIT-magento-2020-24402GHSA-hvf5-4jr9-fghh
Published
Updated
Affected
3 pkgs
Patched
2 / 3
Exploits
None indexed
Exploitation data as of Oct 29, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs77th percentile — riskier than 77% of all scored CVEsHighest risk
0.00%0.73%1.47%2.20%0.2%1.7%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

3 pkgs affected
🐘magento/community-edition🐘magento/community-edition🐘magento/project-community-edition

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Magento version 2.4.0 and 2.3.5p1 (and earlier) are affected by an incorrect permissions vulnerability in the Integrations component. This vulnerability could be abused by authenticated users with permissions to the Resource Access API to delete customer details via the REST API without authorization.

Affected Packages

3 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistmagento/community-editionall versions2.3.6composer require magento/community-edition:^2.3.6
🐘Packagistmagento/community-edition≥ 2.4.0&&< 2.4.12.4.1composer require magento/community-edition:^2.4.1
🐘Packagistmagento/project-community-editionall versionsNo fix

Affected Products

1 product · 8 configurations
Application
magentomagento
< 2.3.5
2 versions
2.3.52.4.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for magento/community-edition, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update magento/community-edition to 2.3.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-24402 is resolved across your whole dependency graph.

  3. Workarounds

    Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Frequently Asked Questions

Magento version 2.4.0 and 2.3.5p1 (and earlier) are affected by an incorrect permissions vulnerability in the Integrations component. This vulnerability could be abused by authenticated users with permissions to the Resource Access API to delete customer details via the REST API without authorization.
O3 Security · Impact-Aware SCA

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CVE-2020-24402: community-edition — Fixed in 2.3.6