CVE-2020-11766 Command injection in n/a

High 8.8 Published 19 May 2020 Updated 4 Aug 2024

Authenticated attackers can execute arbitrary commands via sendfax.php in AvantFAX and HylaFAX Enterprise Web Interface.

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-2020-11766?

CVE-2020-11766 is a high-severity command injection vulnerability in n/a, published on 19 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

sendfax.php in iFAX AvantFAX before 3.3.6 and HylaFAX Enterprise Web Interface before 0.2.5 allows authenticated Command Injection.

Weakness: CWE-78

Which versions are affected by CVE-2020-11766?

It affects 2 products.

Products include Avantfax Avantfax, Ifax Hylafax.

How do I fix CVE-2020-11766?

No fix has been published for CVE-2020-11766 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-11766 being exploited?

There is no known exploitation of CVE-2020-11766 in the wild and no public exploit code.

Sources

Also known as GHSA-43x3-5v8m-8xf2.