Vulnerability · Published Dec 22, 2021 · Assigned by talos
CVE-2021-21903
Critical 9.8
In plain English
A critical-severity buffer overflow in Garrett Metal Detectors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)1.8%top 21.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Garrett Metal Detectors | Garrett Metal Detectors iC Module CMA Version 5.0 |
Weakness: CWE-120 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1355 x_refsource_MISC