CVE-2019-3934 Auth bypass in Crestron AirMedia

Medium 5.3 Published 30 Apr 2019 Updated 4 Aug 2024

Remote attackers can bypass authentication to download slide images from Crestron AirMedia devices without knowing the access code.

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-2019-3934?

CVE-2019-3934 is a medium-severity authentication bypass vulnerability in Crestron AirMedia, published on 30 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 allows anyone to bypass the presentation code sending a crafted HTTP POST request to login.cgi. A remote, unauthenticated attacker can use this vulnerability to download the current slide image without knowing the access code.

Weakness: CWE-425, CWE-284

Which versions are affected by CVE-2019-3934?

It affects 2 products.

Products include Crestron Am-100 Firmware, Crestron Am-101 Firmware.

How do I fix CVE-2019-3934?

No fix has been published for CVE-2019-3934 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-2019-3934 being exploited?

There is no known exploitation of CVE-2019-3934 in the wild and no public exploit code.

Sources

Also known as GHSA-gqcf-3mp9-v4ch.