EFACEC BCU 500

View CSAF

1. EXECUTIVE SUMMARY

• CVSS v3 9.6
• ATTENTION: Exploitable remotely/low attack complexity
• Vendor: EFACEC
• Equipment: BCU 500
• Vulnerabilities: Uncontrolled Resource Consumption, Cross-site Request Forgery

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition on the affected product or compromise the web application through a cross-site request forgery (CSRF) vulnerability.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following version of EFACEC BCU 500, an automation and control IED, is affected:

• BCU 500: version 4.07

3.2 Vulnerability Overview

3.2.1 UNCONTROLLED RESOURCE CONSUMPTION CWE-400

Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.

CVE-2023-50707 has been assigned to this vulnerability. A CVSS v3 base score of 9.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H).

3.2.2 CROSS-SITE REQUEST FORGERY (CSRF) CWE-352

A successful CSRF attack could force the user to perform state changing requests on the application. If the victim is an administrative account, a CSRF attack could compromise the entire web application.

CVE-2023-6689 has been assigned to this vulnerability. A CVSS v3 base score of 8.2 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H).[…]
Content was cut in order to protect the source.Please visit the source for the rest of the article.