PatchTheCVECVE-2003-1416: BisonFTP Server 4 release 2 allows remote attackers to cause a denial of service (CPU consumption) via a long
CVE-2003-1416 is a medium-severity flaw (CVSS 4.3) affecting bisonftp server 4. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
BisonFTP Server 4 release 2 allows remote attackers to cause a denial of service (CPU consumption) via a long (1) ls or (2) cwd command.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 1.2% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2003-12-31 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · 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-2003-1416?
bisonftp server 4: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2003-1416 being exploited?
CVE-2003-1416 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-2003-1416 affect?
CVE-2003-1416 affects bisonftp server 4. Severity is medium (CVSS 4.3). BisonFTP Server 4 release 2 allows remote attackers to cause a denial of service (CPU consumption) via a long (1) ls or (2) cwd command.
How urgent is CVE-2003-1416?
Priority 37/100. Public exploit reference
Related CVEs
- CVE-2003-1380 HIGH 7.5 MITIGATE Directory traversal vulnerability in BisonFTP Server 4 release 2 allows remote attackers to (1) list directori