Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-30777

Severity CVSS v4.0:
MEDIUM
Type:
Unavailable / Other
Publication date:
05/03/2026
Last modified:
09/03/2026

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.

Impact

Vector 4.0
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 CVSS v4.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): High
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
6.90
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ec-cube:ec-cube:*:-:*:*:*:*:*:* 4.1.0 (including) 4.1.2 (excluding)
cpe:2.3:a:ec-cube:ec-cube:*:-:*:*:*:*:*:* 4.2.0 (including) 4.2.3 (excluding)
cpe:2.3:a:ec-cube:ec-cube:*:-:*:*:*:*:*:* 4.3.0 (including) 4.3.1 (excluding)
cpe:2.3:a:ec-cube:ec-cube:4.1.2:-:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.1.2:p1:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.1.2:p2:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.1.2:p3:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.1.2:p4:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.2.3:-:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.2.3:p1:*:*:*:*:*:*
cpe:2.3:a:ec-cube:ec-cube:4.3.1:-:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools