Incorrect authorization in EC-CUBE 2 series
Priority LOW 32CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
Improper access control in Management screen of EC-CUBE 2 series 2.11.2 to 2.17.1 allows a remote authenticated attacker to bypass access restriction and to alter System settings via unspecified vectors.
Why it matters now
EPSS 0.01319 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed ec-cube/ec-cube (Packagist): 2.17.2
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 |
|---|---|---|---|---|---|
| EC-CUBE CO.,LTD. | EC-CUBE 2 series | 2.11.2 to 2.17.1 | — | No fix listed | CNA |
| — | ec-cube/ec-cube (Packagist) | 2.11.2 to before 2.17.2 | 2.17.2 | Patch available | GHSA-jc55-crg7-pr35 |
- EC-CUBE 2 series VendorEC-CUBE CO.,LTD. Affected 2.11.2 to 2.17.1 Fixed in — No fix listed CNA
- ec-cube/ec-cube (Packagist) Vendor— Affected 2.11.2 to before 2.17.2 Fixed in 2.17.2 Patch available GHSA-jc55-crg7-pr35
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:* | 2.11.2 – 2.17.1 | Vulnerable | EC-CUBE CO.,LTD. |
- cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:* Versions 2.11.2 – 2.17.1 Vulnerable ·EC-CUBE CO.,LTD.
Remediation
- Fix · GHSA-jc55-crg7-pr35 ec-cube/ec-cube (Packagist) Fixed in 2.17.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20841
- 2026-10-03 Alias added: GHSA-jc55-crg7-pr35
References
More EC-CUBE CO.,LTD. Ec-cube vulnerabilities
- TI-2020-04559 Path traversal in EC-CUBE CVSS 3.1HIGH 8.1
- TI-2023-25304 Code injection in EC-CUBE 4 series CVSS 3.1HIGH 7.2
- TI-2021-04004 Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote… CVSS 3.1HIGH 7.5
- TI-2020-04641 Improper input validation in EC-CUBE CVSS 3.1HIGH 7.5
- TI-2008-04745 SQL injection vulnerability in LOCKON CO.,LTD. CVSS 2.0HIGH 7.5
- TI-2008-04326 SQL injection vulnerability in EC-CUBE Ver2 2.1.2a and earlier, and Ver2 RC 2.3.0-rc1 and… CVSS 2.0HIGH 7.5
Sources
- CVE-2021-20841 · CVE Program
- CVE-2021-20841 · NVD
- FIRST EPSS
- GHSA-jc55-crg7-pr35 · GitHub Advisory Database · CC BY 4.0
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