PatchTheCVECVE-2021-44132: A command injection vulnerability in the function formImportOMCIShell of C-DATA ONU4FERW V2.1.13_X139 allows a
CVE-2021-44132 is a high-severity flaw (CVSS 7.8) affecting c-data onu4ferw firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A command injection vulnerability in the function formImportOMCIShell of C-DATA ONU4FERW V2.1.13_X139 allows attackers to execute arbitrary commands via a crafted file.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 3.0% (top 12%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2022-02-25 |
| 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
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-2021-44132?
c-data onu4ferw firmware: upgrade to newer than 2.1.13_x139. Exact commands for each OS are on this page.
Is CVE-2021-44132 being exploited?
CVE-2021-44132 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-2021-44132 affect?
CVE-2021-44132 affects c-data onu4ferw firmware. Severity is high (CVSS 7.8). A command injection vulnerability in the function formImportOMCIShell of C-DATA ONU4FERW V2.1.13_X139 allows attackers to execute arbitrary commands via a crafted file.
How urgent is CVE-2021-44132?
Priority 54/100. High severity; Public exploit reference