CVE-2020-7520 Information

Description

A CWE-601: URL Redirection to Untrusted Site (‘Open Redirect’) vulnerability exists in Schneider Electric Software Update (SESU) V2.4.0 and prior which could cause execution of malicious code on the victim’s machine. In order to exploit this vulnerability an attacker requires privileged access on the engineering workstation to modify a Windows registry key which would divert all traffic updates to go through a server in the attacker’s possession. A man-in-the-middle attack is then used to complete the exploit.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://www.se.com/ww/en/download/document/SEVD-2020-196-01/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.7