Magento Commerce Improper Access Control Vulnerability
Priority LOW 29CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.
Why it matters now
EPSS 0.02441 84th percentileScored 2026-11-07
Fix Fixed magento/community-edition (Packagist): 2.3.6, 2.4.1-p1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Magento Commerce | up to 2.4.1; up to 2.4.0-p1; up to 2.3.6; up to None | — | No fix listed | CNA |
| — | magento/community-edition (Packagist) | before 2.3.6 | 2.3.6 | Patch available | GHSA-2j6v-829g-885q |
| — | magento/community-edition (Packagist) | 2.4.0 to before 2.4.1-p1 | 2.4.1-p1 | Patch available | GHSA-2j6v-829g-885q |
| — | magento/project-community-edition (Packagist) | up to 2.0.2 | — | No fix listed | GHSA-2j6v-829g-885q |
- Magento Commerce VendorAdobe Affected up to 2.4.1; up to 2.4.0-p1; up to 2.3.6; up to None Fixed in — No fix listed CNA
- magento/community-edition (Packagist) Vendor— Affected before 2.3.6 Fixed in 2.3.6 Patch available GHSA-2j6v-829g-885q
- magento/community-edition (Packagist) Vendor— Affected 2.4.0 to before 2.4.1-p1 Fixed in 2.4.1-p1 Patch available GHSA-2j6v-829g-885q
- magento/project-community-edition (Packagist) Vendor— Affected up to 2.0.2 Fixed in — No fix listed GHSA-2j6v-829g-885q
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:* | before 2.3.6 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:* | before 2.3.6 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:* | 2.3.6 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:* | 2.3.6 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:* | 2.4.0 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.0:-:*:*:open_source:*:*:* | 2.4.0 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.0:p1:*:*:commerce:*:*:* | 2.4.0 p1 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.0:p1:*:*:open_source:*:*:* | 2.4.0 p1 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.1:-:*:*:commerce:*:*:* | 2.4.1 | Vulnerable | Magento |
| cpe:2.3:a:magento:magento:2.4.1:-:*:*:open_source:*:*:* | 2.4.1 | Vulnerable | Magento |
- cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:* Versions before 2.3.6 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:* Versions before 2.3.6 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:* Versions 2.3.6 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:* Versions 2.3.6 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:* Versions 2.4.0 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.0:-:*:*:open_source:*:*:* Versions 2.4.0 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.0:p1:*:*:commerce:*:*:* Versions 2.4.0 p1 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.0:p1:*:*:open_source:*:*:* Versions 2.4.0 p1 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.1:-:*:*:commerce:*:*:* Versions 2.4.1 Vulnerable ·Magento
- cpe:2.3:a:magento:magento:2.4.1:-:*:*:open_source:*:*:* Versions 2.4.1 Vulnerable ·Magento
Remediation
- Fix · GHSA-2j6v-829g-885q magento/community-edition (Packagist) Fixed in 2.3.6 Advisory →
- Fix · GHSA-2j6v-829g-885q magento/community-edition (Packagist) Fixed in 2.4.1-p1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21020
- 2026-10-03 Alias added: GHSA-2j6v-829g-885q
References
More Adobe vulnerabilities
- TI-2026-52938 Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) KEVCVSS 3.1CRITICAL 10.0
- TI-2026-35688 ColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) KEVCVSS 3.1CRITICAL 10.0
- TI-2025-34084 Adobe Experience Manager | Incorrect Authorization (CWE-863) KEVCVSS 3.1CRITICAL 10.0
- TI-2024-22559 XXE can expose crypt key and other secrets granting full admin access KEVCVSS 3.1CRITICAL 9.8
- TI-2023-19615 Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2023-13696 Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-21020 · CVE Program
- CVE-2021-21020 · NVD
- FIRST EPSS
- GHSA-2j6v-829g-885q · GitHub Advisory Database · CC BY 4.0
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