SEPTEMBER 28, 2026
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Case File

CVE-2021-21903

CRITICAL · CVSS 9.8 EPSS 1.73%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-22 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-21903
Severity
CRITICAL
CVSS
9.8
EPSS
1.73%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2021-21909 HIGH CVE-2021-21908 MEDIUM CVE-2021-21907 MEDIUM CVE-2021-21906 HIGH CVE-2021-21905 HIGH CVE-2021-21904 HIGH