VULNERABILITY INTELLIGENCE

CVE-2021-21903

CVSS score9.8 CRITICAL
EPSS probability1.79%
CISA KEVNot currently listed
Published2021-12-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • talos-cna@cisco.com: CWE-120
  • nvd@nist.gov: CWE-787

Primary references