CVE-2020-7561 Missing authorization in Easergy T300 with firmware 2.7 and older
Attackers can execute commands, cause denial of service, or expose information due to missing authentication for critical functions in Easergy T300 devices.
- 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-2020-7561?
CVE-2020-7561 is a critical missing authorization vulnerability in Easergy T300 with firmware 2.7 and older, published on 19 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T300 (with firmware 2.7 and older) that could cause a wide range of problems, including information exposure, denial of service, and command execution when access to a resource from an attacker is not restricted or incorrectly restricted.
Which versions are affected by CVE-2020-7561?
It affects 1 product.
Products include Schneider-Electric Easergy T300 Firmware.
How do I fix CVE-2020-7561?
No fix has been published for CVE-2020-7561 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-2020-7561 being exploited?
There is no known exploitation of CVE-2020-7561 in the wild and no public exploit code.
Other vulnerabilities in Easergy T300 with firmware 2.7 and older
- CVE-2020-28215 Missing authorization in Easergy T300 (firmware 2.7 and older)
- CVE-2020-7508 Auth bypass in Easergy T300 (Firmware version 1.5.2 and older)
- CVE-2020-7512 Supply chain in Easergy T300 (Firmware version 1.5.2 and older)
- CVE-2020-7503 Cross-site request forgery in Easergy T300 (Firmware version 1.5.2 and older)
- CVE-2020-28216 Information disclosure in Easergy T300 (firmware 2.7 and older)
Sources
Also known as GHSA-7vr9-xc65-cx9c.