CVE-2017-5227
QNAP QTS before 4.2.4 Build 20170313 allows local users to obtain sensitive Domain Administrator password information by reading data in an XOR format within the /etc/config/uLinux.conf configuration file.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 6.4%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
QNAP QTS before 4.2.4 Build 20170313 allows local users to obtain sensitive Domain Administrator password information by reading data in an XOR format within the /etc/config/uLinux.conf configuration file.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 6.44% probability · 94th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 27 March 2017
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- qnap/qts
- Source
- cve@mitre.org
EPSS moved from 4.9% on 21 September 2026 to 6.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/97056Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/97072
- http://www.securitytracker.com/id/1038091Third Party Advisory, VDB Entry
- http://www.ush.it/team/ush/hack-qnap/qnap.txtThird Party Advisory
- https://www.exploit-db.com/exploits/41745/
- https://www.qnap.com/en-us/releasenotes/Release Notes, Vendor Advisory
- https://www.qnap.com/en/support/con_show.php?cid=113Mitigation, Vendor Advisory
- http://www.securityfocus.com/bid/97056Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/97072
- http://www.securitytracker.com/id/1038091Third Party Advisory, VDB Entry
- http://www.ush.it/team/ush/hack-qnap/qnap.txtThird Party Advisory
- https://www.exploit-db.com/exploits/41745/
- https://www.qnap.com/en-us/releasenotes/Release Notes, Vendor Advisory
- https://www.qnap.com/en/support/con_show.php?cid=113Mitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.