Is CVE-2021-38412 actively exploited?

No active exploitation of CVE-2021-38412 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-38412 be exploited remotely?

Yes. CVE-2021-38412 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-38412?

CVE-2021-38412 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-38412

CWE-287Published: September 17, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2021-38412 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.