HOMEVULNERABILITIESCVE-2017-12170
CRITICAL

CVE-2017-12170

NVD-CWE-noinfoPublished: September 21, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Downstream version 1.0.46-1 of pure-ftpd as shipped in Fedora was vulnerable to packaging error due to which the original configuration was ignored after update and service started running with default configuration. This has security implications because of overriding security-related configuration. This issue doesn't affect upstream version of pure-ftpd.

NVD Source

Technical Analysis

CVE-2017-12170 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
pureftpd1 product(s)
pure-ftpd
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

https://bugzilla.redhat.com/show_bug.cgi?id=1493114Issue Tracking · Tool Signature · VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1493114Issue Tracking · Tool Signature · VDB Entry

Quick Facts

CVE IDCVE-2017-12170
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
Affected2 vendor(s)
PublishedSep 21, 2017

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-12170 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.