CVE-2021-38412 Digi PortServer TS 16 Improper Authentication

Critical 9.6 Published Updated

Unauthenticated attackers can manipulate SNMP settings on Digi PortServer TS 16 devices to gain further control.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-38412?

CVE-2021-38412 is a critical missing authorization vulnerability in Digi International PortServer TS 16, published on 17 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Properly formatted POST requests to multiple resources on the HTTP and HTTPS web servers of the Digi PortServer TS 16 Rack device do not require authentication or authentication tokens. This vulnerability could allow an attacker to enable the SNMP service and manipulate the community strings to achieve further control in.

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2021-38412?

It affects 1 product.

Products include Digi Portserver Ts 16 Firmware.

How do I fix CVE-2021-38412?

No fix has been published for CVE-2021-38412 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-38412 being exploited?

There is no known exploitation of CVE-2021-38412 in the wild and no public exploit code.

Sources

Also known as GHSA-5h3v-8m6q-48c4.

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