Skip to content
Fencer Vulns
medium 5.3

CVE-2019-9648 json

CoreFTP Directory Traversal

published 2019-03-22 7 y ago modified 2026-09-10 1 mo ago also GHSA-w393-h95m-f879 , EUVD-2022-5474

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.3%
EPSS 14.3% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.

Timeline

  1. First public exploit (EDB-46535)
  2. Published

Exploit prediction

14.33% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-46535 Core FTP Server FTP / SFTP Server v2 Build 674 - 'SIZE' Directory Traversal dos, 2019-03-13
  • seclists.org https://seclists.org/fulldisclosure/2019/Mar/23 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
nuget CoreFtp
<=2.0
no fix listed

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns 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.