CVE-2020-5760 Command injection in Grandstream HT800 Series

High 7.8 Published Updated

Unauthenticated attackers can execute arbitrary root commands on Grandstream HT800 devices via crafted SIP messages and configuration files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-5760?

CVE-2020-5760 is a high-severity command injection vulnerability in Grandstream HT800 Series, published on 29 Jul 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Unauthenticated remote attackers can execute arbitrary commands as root by crafting a special configuration file and sending a crafted SIP message.

Weakness: CWE-78

Which versions are affected by CVE-2020-5760?

It affects 6 products.

Products include Grandstream Ht801 Firmware, Grandstream Ht802 Firmware, Grandstream Ht812 Firmware, Grandstream Ht813 Firmware, Grandstream Ht814 Firmware, Grandstream Ht818 Firmware.

How do I fix CVE-2020-5760?

No fix has been published for CVE-2020-5760 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-2020-5760 being exploited?

There is no known exploitation of CVE-2020-5760 in the wild and no public exploit code.

Sources

Also known as GHSA-cfmm-v9fq-4h4j.

Is CVE-2020-5760 in your software?

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

Check your SBOMs for free