Schneider Electric Software Update up to 2.4.0 redirect

Summaryinfo

A vulnerability identified as problematic has been detected in Schneider Electric Software Update up to 2.4.0. The impacted element is an unknown function. Performing a manipulation results in redirect. This vulnerability is cataloged as CVE-2020-7520. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Schneider Electric Software Update up to 2.4.0. This affects some unknown functionality. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 07/23/2020 (Website). It is possible to read the advisory at se.com. This vulnerability is uniquely identified as CVE-2020-7520 since 01/21/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• Software Update

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4.0

License

• commercial

Website

• Vendor: https://www.schneider-electric.com/

CPE 2.3info

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CPE 2.2info

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