What is CVE-2017-15269?

CVE-2017-15269 is a medium-severity vulnerability in Psftp Psftpd, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 4.3/10. Published 2017-11-15.

How severe is CVE-2017-15269?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Psftp Psftpd

CVE-2017-15269

The PSFTPd 10.0.4 Build 729 server does not prevent FTP bounce scans by default. These can be performed using "nmap -b" and allow performing scans via the FTP server.

Published 2017-11-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Psftp Psftpd — versions 10.0.4

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

packetstormsecurity.com/files/144972/PSFTPd-Windows-FTP-Server-10.0.4-Build-729… (VDB Entry, Third Party Advisory)
www.securityfocus.com/archive/1/541518/100/0/threaded (mailing-list)
www.x41-dsec.de/lab/advisories/x41-2017-006-psftpd/ (Third Party Advisory)

Frequently asked questions

What is CVE-2017-15269?: CVE-2017-15269 is a medium-severity vulnerability in Psftp Psftpd, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 4.3/10. Published 2017-11-15.
How severe is CVE-2017-15269?: Medium severity. CVSS v3 base score is 4.3 out of 10.