CVE-2019-3933 Auth bypass in Crestron AirMedia

Medium 5.3 Published Updated

Remote attackers can bypass presentation access codes on Crestron AirMedia devices to view slideshows without authentication.

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-2019-3933?

CVE-2019-3933 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 simply by requesting /images/browserslide.jpg via HTTP. A remote, unauthenticated attacker can use this vulnerability to watch a slideshow without knowing the access code.

Weakness: CWE-425, CWE-284

Which versions are affected by CVE-2019-3933?

It affects 2 products.

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

How do I fix CVE-2019-3933?

No fix has been published for CVE-2019-3933 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-2019-3933 being exploited?

There is no known exploitation of CVE-2019-3933 in the wild and no public exploit code.

Sources

Also known as GHSA-gvhj-249r-67hf.

Is CVE-2019-3933 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free