High severity8.8NVD Advisory· Published Dec 22, 2021· Updated Jun 17, 2026
CVE-2021-21901
CVE-2021-21901
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 memcpy. An attacker can send a malicious packet to trigger this vulnerability.
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Affected products
1- Range: = 5.0
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1353nvdExploitThird Party Advisory
News mentions
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