SB2021120323 - Multiple vulnerabilities in Schneider Electric Smart-UPS SRT 5000

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: N/A)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Switched Outlet Group Scheduling Configuration. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) Improper Authentication (CVE-ID: N/A)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests in Scheduled UPS Configuration. A remote authenticated attacker can bypass authentication process and gain unauthorized access to the application.

3) Stored cross-site scripting (CVE-ID: N/A)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Scheduled UPS Configuration. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• https://www.fortiguard.com/zeroday/FG-VD-21-010
• https://www.fortiguard.com/zeroday/FG-VD-21-009
• https://www.fortiguard.com/zeroday/FG-VD-21-008