CVE-2020-7507 Denial of service in Easergy T300 (Firmware version 1.5.2 and older)

High 7.5 Published 16 Jun 2020 Updated 4 Aug 2024

An attacker can cause a denial of service in Easergy T300 devices by exploiting uncontrolled resource consumption through multiple logins.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-7507?

CVE-2020-7507 is a high-severity denial of service 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, with no action from the victim.

Official description

A CWE-400: Uncontrolled Resource Consumption vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to login multiple times resulting in a denial of service.

Weakness: CWE-400

Which versions are affected by CVE-2020-7507?

It affects 1 product.

Products include Schneider-Electric Easergy T300 Firmware.

How do I fix CVE-2020-7507?

No fix has been published for CVE-2020-7507 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-7507 being exploited?

There is no known exploitation of CVE-2020-7507 in the wild and no public exploit code.

Sources

Also known as GHSA-5f7w-5549-c89w.