CVE-2017-15270 json
The PSFTPd 10.0.4 Build 729 server does not properly escape data before writing it into a Comma Separated Values (CSV) file.
published 2017-11-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6730
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.0%
- EPSS 7.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-43144)
- Published
Exploit prediction
6.97% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-43144 PSFTPd Windows FTP Server 10.0.4 Build 729 - Log Injection / Use-After-Free dos, 2017-11-14
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:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
exploit-db.com
/exploits/43144/
exploit, third-party-advisory, vdb-entry
-
packetstormsecurity.com
/files/144972/PSFTPd-Windows-FTP-Server-10.0.4-Build-729-Use-After-Free-Log-Injection.html
third-party-advisory, vdb-entry
-
securityfocus.com
/archive/1/541518/100/0/threaded
mailing-list
-
x41-dsec.de
/lab/advisories/x41-2017-006-psftpd/
third-party-advisory
Sources
- CVE List CVE-2017-15270
- NVD CVE-2017-15270
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.