What’s Vulnerable › Vulnerabilities

CVE-2021-21903

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-22 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• Garrett Ic Module Cma: 5.0

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1355
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1355

Get alerted when CVE-2021-21903 or the next vulnerability affects your stack