PatchTheCVECVE-2014-5381: Grand MA 300 allows a brute-force attack on the PIN.
CVE-2014-5381 is a critical-severity flaw (CVSS 9.8) affecting grand ma300 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Grand MA 300 allows a brute-force attack on the PIN.
Why this priority
- Critical severity
- EPSS top 6%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 7.1% (top 6%) |
| CISA exploited list | No |
| Weakness | CWE-522 |
| Published | 2020-01-13 |
| Last modified | 2026-06-17 |
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
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: Granding MA300 - Weak Pin Encryption Brute Force
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-2014-5381?
grand ma300 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2014-5381 being exploited?
CVE-2014-5381 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-2014-5381 affect?
CVE-2014-5381 affects grand ma300 firmware. Severity is critical (CVSS 9.8). Grand MA 300 allows a brute-force attack on the PIN.
How urgent is CVE-2014-5381?
Priority 68/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2014-5380 HIGH 7.5 MITIGATE Grand MA 300 allows retrieval of the access PIN from sniffed data.