JVN#75444925
Multiple vulnerabilities in EC-CUBE 2 series

Overview

EC-CUBE 2 series provided by EC-CUBE CO.,LTD. contains multiple vulnerabilities.

Products Affected

CVE-2021-20841

• EC-CUBE 2.11.2 to 2.17.1 (EC-CUBE 2 series)

• EC-CUBE 2.11.0 to 2.17.1 (EC-CUBE 2 series)

Description

EC-CUBE 2 series provided by EC-CUBE CO.,LTD. contains multiple vulnerabilities listed below.

• Improper access control in Management screen (CWE-284) - CVE-2021-20841

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	Base Score: 4.3
  CVSS v2	AV:N/AC:L/Au:S/C:N/I:P/A:N	Base Score: 4.0

• Cross-site request forgery vulnerability in Management screen (CWE-352) - CVE-2021-20842

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	Base Score: 6.5
  CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

Impact

• A user who can log in to the product may alter System settings without the appropriate privilege - CVE-2021-20841
• If a user with an administrative privilege views a malicious page while logged in, Administrator may be deleted - CVE-2021-20842

Solution

Update the Softwere
Update the software according to the information provided by the developer. 
The developer has released EC-CUBE 2.17.2 that addresses these vulnerabilities.

Apply the Patch
Apply the hotfix patch according to the information provided by the developer.

Apply the Workaround
CVE-2021-20841
Applying the following workaround may mitigate the impact of this vulnerability.

• Change the value of mtb_permission to the directory name of Management screen URL