How severe is CVE-2017-15270?

CVE-2017-15270 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2017-15270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15270?

CVE-2017-15270 affects Psftp Psftpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15270?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-15270 published?

CVE-2017-15270 was published on 2017-11-15 and last updated on 2026-06-17.

CVE-2017-15270

CVE-2017-15270 is a medium-severity vulnerability in Psftp Psftpd with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Psftp Psftpd
Published: 2017-11-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-15270?: CVE-2017-15270 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2017-15270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15270?: CVE-2017-15270 affects Psftp Psftpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15270?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-15270 published?: CVE-2017-15270 was published on 2017-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:psftp:psftpd:10.0.4:*:*:*:*:*:*:*

More vulnerabilities in Psftp Psftpd

CVE-2017-15271 — Medium (CVSS 5.9): A use-after-free issue could be triggered remotely in the SFTP component of PSFTPd 10.0.4 Build 729. This issue could…
CVE-2017-15272 — Medium (CVSS 5.3): The PSFTPd 10.0.4 Build 729 server stores its configuration inside PSFTPd.dat. This file is a Microsoft Access Database…
CVE-2017-15269 — Medium (CVSS 4.3): The PSFTPd 10.0.4 Build 729 server does not prevent FTP bounce scans by default. These can be performed using "nmap -b"…

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