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CVE-2017-5227

30
FAUCET Score

CVE-2017-5227 is a high-severity vulnerability affecting QNAP QTS versions prior to 4.2.4 Build 20170313, allowing local users to extract sensitive Domain Administrator password information from the /etc/config/uLinux.conf file. With a CVSS score of 7.5, this vulnerability has a low attack complexity and could lead to a complete compromise of confidentiality. While not listed in CISA's KEV catalog, an exploit is publicly available on ExploitDB, and it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.4CPE matchmatch criteria
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.44%
Probability of exploitation in next 30 days
EPSS Percentile
93.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-41745 · Mar 27, 2017
This CVE's current EPSS score of 0.0644 is in the 88th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/41745
qnap.com / en/support/con_show.php
MitigationVendor Advisory
qnap.com / en-us/releasenotes
Release NotesVendor Advisory
securityfocus.com / bid/97056
Third Party AdvisoryVDB Entry
securityfocus.com / bid/97072
securitytracker.com / id/1038091
Third Party AdvisoryVDB Entry
ush.it / team/ush/hack-qnap/qnap.txt
Third Party Advisory