CVE-2021-21903

CRITICAL

Garrett iC Module CMA - Stack-based Buffer Overflow via UDP CRC Check Function

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1355

Scores

CVSS v3 9.8
EPSS 0.0173
EPSS Percentile 74.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-120 CWE-787
Status published
Products (1)
garrett/ic_module_cma 5.0
Published Dec 22, 2021
Tracked Since Feb 18, 2026