CVE-2021-21903

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A stack-based buffer overflow vulnerability exists in the CMA check_udp_crc function of Garrett Metal Detectors’ iC Module CMA Version 5.0. A specially-crafted packet can lead to a stack-based buffer overflow during a call to strcpy. An attacker can send a malicious packet to trigger this vulnerability.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Dec 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21903: Critical severity, CVSS 9.8 | Vulnix