CVE-2020-28215 Missing authorization in Easergy T300 (firmware 2.7 and older)

Critical 9.8 Published 11 Dec 2020 Updated 4 Aug 2024

Attackers can exploit missing authorization checks in Easergy T300 firmware to execute arbitrary code, cause denial of service, or expose sensitive information.

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-2020-28215?

CVE-2020-28215 is a critical missing authorization vulnerability in Easergy T300 (firmware 2.7 and older), published on 11 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide range of problems, including information exposures, denial of service, and arbitrary code execution when access control checks are not applied consistently.

Weakness: CWE-862

Which versions are affected by CVE-2020-28215?

It affects 1 product.

Products include Schneider-Electric Easergy T300 Firmware.

How do I fix CVE-2020-28215?

No fix has been published for CVE-2020-28215 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-28215 being exploited?

There is no known exploitation of CVE-2020-28215 in the wild and no public exploit code.

Sources

Also known as GHSA-9ggp-g58q-5q4w.