CVE-2018-16550 Security feature bypass in n/a

Critical 9.8 Published 5 Sep 2018 Updated 5 Aug 2024

Attackers can bypass brute-force protection in TeamViewer to easily guess the default PIN and gain unauthorized 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-2018-16550?

CVE-2018-16550 is a critical vulnerability in n/a, published on 5 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force authentication protection mechanism by skipping the "Cancel" step, which makes it easier to determine the correct value of the default 4-digit PIN.

Which versions are affected by CVE-2018-16550?

It affects 1 product.

Products include Teamviewer Teamviewer.

How do I fix CVE-2018-16550?

No fix has been published for CVE-2018-16550 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-16550 being exploited?

There is no known exploitation of CVE-2018-16550 in the wild and no public exploit code.

Sources

Also known as GHSA-3j7w-gj98-cj27.