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TI-2021-04946 Aliases CVE-2021-21901GHSA-6m5j-hmv8-95g6

Buffer overflow in Garrett Metal Detectors

Priority MEDIUM 41CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01608 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Garrett Metal DetectorsGarrett Metal Detectors iC Module CMA Version 5.0—No fix listedCNA
  • Garrett Metal Detectors Vendor— Affected Garrett Metal Detectors iC Module CMA Version 5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:garrett:ic_module_cma:5.0:*:*:*:*:*:*:*5.0VulnerableGarrett
  • cpe:2.3:o:garrett:ic_module_cma:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Garrett

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21901
  2. 2026-10-03 Alias added: GHSA-6m5j-hmv8-95g6

References

Exploit 1

  • TI-2021-04948 Buffer overflow in Garrett Metal Detectors CVSS 3.1CRITICAL 9.8
  • TI-2021-04947 Improper authentication in Garrett Metal Detectors CVSS 3.1HIGH 8.1
  • TI-2021-04949 Path traversal in Garrett Metal Detectors CVSS 3.1HIGH 7.2
  • TI-2021-04951 Stack-based buffer overflow in Garrett Metal Detectors CVSS 3.1HIGH 7.2
  • TI-2021-04950 Stack-based buffer overflow in Garrett Metal Detectors CVSS 3.1HIGH 7.2
  • TI-2021-04952 Path traversal in Garrett Metal Detectors CVSS 3.1MEDIUM 4.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences