CVE-2018-7243 Auth bypass in 66074 MGE Network Management Card Transverse installed in MGE UPS and MGE STS

Critical 9.8 Published 18 Apr 2018 Updated 5 Aug 2024

Remote attackers can bypass authorization on Schneider Electric UPS management cards to gain full device access.

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-2018-7243?

CVE-2018-7243 is a critical authentication bypass vulnerability in Schneider Electric SE 66074 MGE Network Management Card Transverse installed in MGE UPS and MGE STS, published on 18 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An authorization bypass vulnerability exists In Schneider Electric's 66074 MGE Network Management Card Transverse installed in MGE UPS and MGE STS. The integrated web server (Port 80/443/TCP) of the affected devices could allow a remote attacker to get a full access to device, bypassing the authorization system.

Which versions are affected by CVE-2018-7243?

It affects 1 product.

Products include Schneider-Electric 66074 Mge Network Management Card Transverse.

How do I fix CVE-2018-7243?

No fix has been published for CVE-2018-7243 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-7243 being exploited?

There is no known exploitation of CVE-2018-7243 in the wild and no public exploit code.

Sources

Also known as GHSA-7r45-7xq5-v6wq.