Is CVE-2021-21904 actively exploited?

No active exploitation of CVE-2021-21904 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-21904 be exploited remotely?

Yes. CVE-2021-21904 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-21904?

CVE-2021-21904 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2021-21904

CWE-22Published: December 22, 2021· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

A directory traversal vulnerability exists in the CMA CLI setenv command of Garrett Metal Detectors’ iC Module CMA Version 5.0. An attacker can provide malicious input to trigger this vulnerability

NVD Source

Technical Analysis

CVE-2021-21904 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 7.2.