CVE-2019-11326 Auth bypass in n/a

High 8.8 Published Updated

Attackers can bypass authentication via guest login to read admin passwords and escalate privileges on Topcon GNSS receivers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-11326?

CVE-2019-11326 is a high-severity authentication bypass vulnerability in n/a, published on 20 Sep 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered on Topcon Positioning Net-G5 GNSS Receiver devices with firmware 5.2.2. The web interface of the product is protected by a login. A guest is allowed to login. Once logged in as a guest, an attacker can browse a URL to read the password of the administrative user. The same procedure allows a regular user to gain administrative privileges. The guest login is possible in the default configuration.

Weakness: CWE-425

Which versions are affected by CVE-2019-11326?

It affects 1 product.

Products include Topcon Net-G5 Firmware.

How do I fix CVE-2019-11326?

No fix has been published for CVE-2019-11326 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-2019-11326 being exploited?

There is no known exploitation of CVE-2019-11326 in the wild and no public exploit code.

Sources

Also known as GHSA-pfjx-vhjg-5pw3.

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