PatchTheCVECVE-2021-21902: An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detect
CVE-2021-21902 is a high-severity flaw (CVSS 8.1) affecting ic module cma. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detectors iC Module CMA Version 5.0. A properly-timed network connection can lead to authentication bypass via session hijacking. An attacker can send a sequence of requests to trigger this vulnerability.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-21902?
ic module cma: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-21902 being exploited?
CVE-2021-21902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-21902 affect?
CVE-2021-21902 affects ic module cma. Severity is high (CVSS 8.1). An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detectors iC Module CMA Version 5.0. A properly-timed network connection can lead to authentication bypass via session hijacking. An att
How urgent is CVE-2021-21902?
Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2021-21907 MEDIUM 4.9 MITIGATE A directory traversal vulnerability exists in the CMA CLI getenv command functionality of Garrett Metal Detect
- CVE-2021-21906 HIGH 7.2 MITIGATE Stack-based buffer overflow vulnerability exists in how the CMA readfile function of Garrett Metal Detectors i
- CVE-2021-21905 HIGH 7.2 MITIGATE Stack-based buffer overflow vulnerability exists in how the CMA readfile function of Garrett Metal Detectors i
- CVE-2021-21904 HIGH 7.2 MITIGATE A directory traversal vulnerability exists in the CMA CLI setenv command of Garrett Metal Detectors’ iC Module
- CVE-2021-21903 CRITICAL 9.8 MITIGATE A stack-based buffer overflow vulnerability exists in the CMA check_udp_crc function of Garrett Metal Detector