Buffer overflow in Garrett Ic Module Cma

CVE-2021-21903

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-21903: held from 0.017 to 0.017.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

  • Garrett Ic Module Cma — versions 5.0
  • Garrett Metal Detectors — versions Garrett Metal Detectors iC Module CMA Version 5.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21903?
CVE-2021-21903 is a critical-severity vulnerability in Garrett Ic Module Cma, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-12-22.
How severe is CVE-2021-21903?
Critical severity. CVSS v3 base score is 9.8 out of 10.