What is CVE-2017-15270?

CVE-2017-15270 is a medium-severity vulnerability in Psftp Psftpd, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-11-15.

How severe is CVE-2017-15270?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Psftp Psftpd

CVE-2017-15270

The PSFTPd 10.0.4 Build 729 server does not properly escape data before writing it into a Comma Separated Values (CSV) file. This can be used by attackers to hide data in the Graphical User Interface (GUI) view and create arbitrary entries to a certain extent. Special characters such as '"' and ',' and '\r' are not escaped and can be used to add new entries to the log.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.070 (93.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.070 · newest: 0.070 · change: 0.000

Affected products

Psftp Psftpd — versions 10.0.4

Weakness classification (CWE)

CWE-20 — Improper Input Validation

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)
www.exploit-db.com/exploits/43144/ (VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2017-15270?: CVE-2017-15270 is a medium-severity vulnerability in Psftp Psftpd, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-11-15.
How severe is CVE-2017-15270?: Medium severity. CVSS v3 base score is 5.3 out of 10.