Skip to content
Fencer Intel
high 7.5

CVE-2018-20658 json

The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted…

published 7y ago modified 4mo ago also EUVD-2018-13209

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.5%
EPSS 8.5% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.

Is CVE-2018-20658 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. First public exploit (EDB-45091)
  2. Published

Exploit prediction

8.49% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45091 Core FTP 2.0 - 'XRMD' Denial of Service (PoC) dos, 2018-07-26

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.