CVE-2020-7520

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.

• CVE ID
• CVE-2020-7520

• Assigner
• cybersecurity@se.com

• Vulnerability Status
• Analyzed

• Published Version
• 2020-07-23T21:15:12

• Last Modified Date
• 2020-07-28T18:20:11

• Version
• 2.0

• Vector String
• AV:N/AC:H/Au:N/C:P/I:P/A:N

• Access Vector
• NETWORK

• Access Compatibility
• HIGH

• Authentication
• NONE

• Confidentiality Impact
• PARTIAL

• Integrity Impact
• PARTIAL

• Availability Impact
• NONE

• Base Score
• 4

• Severity
• MEDIUM

• Exploitability Score
• 4.9

• Impact Score
• 4.9

• Version
• 3.1

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

• Attack Vector
• NETWORK

• Attack Compatibility
• HIGH

• Privileges Required
• NONE

• User Interaction
• REQUIRED

• Scope
• CHANGED

• Confidentiality Impact
• LOW

• Availability Impact
• NONE

• Base Score
• 4.7

• Base Severity
• MEDIUM

• Exploitability Score
• 1.6

• Impact Score
• 2.7