EC-CUBE provided by EC-CUBE CO.,LTD. contains a multi-factor authentication (MFA) bypass vulnerability. An attacker who has obtained a valid administrator ID and password may be able to bypass two-factor authentication and gain unauthorized access to the administrative page.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
EC-CUBE CO.,LTD. EC-CUBE 4.1 series affected
Version Status Constraints
prior to 4.1.2-p5 affected
—
EC-CUBE CO.,LTD. EC-CUBE 4.2 series affected
Version Status Constraints
prior to 4.2.3-p2 affected
—
EC-CUBE CO.,LTD. EC-CUBE 4.3 series affected
Version Status Constraints
prior to 4.3.1-p1 affected
—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN63765888/ cve-icon cve-icon
https://www.ec-cube.net/info/weakness/20260209/index.php cve-icon cve-icon
History

Thu, 05 Mar 2026 05:45:00 +0000

Type Values Removed Values Added
Description EC-CUBE provided by EC-CUBE CO.,LTD. contains a multi-factor authentication (MFA) bypass vulnerability. An attacker who has obtained a valid administrator ID and password may be able to bypass two-factor authentication and gain unauthorized access to the administrative page.
Weaknesses CWE-288
References
Metrics cvssV3_0

{'score': 4.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-03-05T05:31:35.025Z

Reserved: 2026-03-04T22:26:32.318Z

Link: CVE-2026-30777

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-05T06:16:51.997

Modified: 2026-03-05T06:16:51.997

Link: CVE-2026-30777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses