PatchTheCVECVE-2018-16231: Michael Roth Software Personal FTP Server (PFTP) through 8.4f allows remote attackers to cause a denial of ser
CVE-2018-16231 is a high-severity flaw (CVSS 7.5) affecting pftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Michael Roth Software Personal FTP Server (PFTP) through 8.4f allows remote attackers to cause a denial of service (daemon crash) via an unspecified sequence of FTP commands.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2018-08-30 |
| 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-2018-16231?
pftp: upgrade to newer than 8.4f. Exact commands for each OS are on this page.
Is CVE-2018-16231 being exploited?
CVE-2018-16231 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-2018-16231 affect?
CVE-2018-16231 affects pftp. Severity is high (CVSS 7.5). Michael Roth Software Personal FTP Server (PFTP) through 8.4f allows remote attackers to cause a denial of service (daemon crash) via an unspecified sequence of FTP commands.
How urgent is CVE-2018-16231?
Priority 49/100. High severity; Remotely exploitable, no login, no user action