CVE-2018-20122 Command injection in n/a

Critical 9.8 Published 21 Feb 2019 Updated 5 Aug 2024

Unauthenticated attackers can execute arbitrary commands with root privileges via a vulnerable CGI binary in the web interface.

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-2018-20122?

CVE-2018-20122 is a critical command injection vulnerability in n/a, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through 1.0.1b) exposed a CGI binary that is vulnerable to a command injection vulnerability that can be exploited to achieve remote code execution with root privileges. No authentication is required in order to trigger the vulnerability.

Weakness: CWE-78

Which versions are affected by CVE-2018-20122?

It affects 1 product.

Products include Fastweb Fastgate Firmware.

How do I fix CVE-2018-20122?

No fix has been published for CVE-2018-20122 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-2018-20122 being exploited?

There is no known exploitation of CVE-2018-20122 in the wild and no public exploit code.

Sources

Also known as GHSA-93p5-p6gm-m2rg.