CVE-2020-7503 Cross-site request forgery in Easergy T300 (Firmware version 1.5.2 and older)

High 8.8 Published 16 Jun 2020 Updated 4 Aug 2024

An attacker can execute malicious commands on behalf of a legitimate user by intercepting the xsrf-token in Easergy T300 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-7503?

CVE-2020-7503 is a high-severity vulnerability in Easergy T300 (Firmware version 1.5.2 and older), published on 16 Jun 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A CWE-352: Cross-Site Request Forgery (CSRF) vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to execute malicious commands on behalf of a legitimate user when xsrf-token data is intercepted.

Weakness: CWE-352

Which versions are affected by CVE-2020-7503?

It affects 1 product.

Products include Schneider-Electric Easergy T300 Firmware.

How do I fix CVE-2020-7503?

No fix has been published for CVE-2020-7503 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-7503 being exploited?

There is no known exploitation of CVE-2020-7503 in the wild and no public exploit code.

Sources

Also known as GHSA-mr94-c76x-rwp9.