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CVE-2017-6361

Published: Mar 23, 2017Updated: May 13, 2026 Sources: CVE List NVD BDUCWE-78
9.8CRITICAL
NVD MITRE
EPSS Score
40.6%
Top 1.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

QNAP QTS before 4.2.4 Build 20170313 allows attackers to execute arbitrary commands via unspecified vectors.

In plain language

AI Worth attention

CVE-2017-6361 is a serious remote “break-in” flaw in QNAP QTS before 4.2.4 Build 20170313 that can let an attacker run commands on the device without logging in; act now if your QNAP is reachable from the network.

Executive summary

CVE-2017-6361 describes a remote, unauthenticated command-execution flaw (CWE-78) in QNAP QTS before 4.2.4 Build 20170313, enabling attackers to run arbitrary system commands over the network without needing credentials or user interaction.

If affected, business impact
Full device takeoverData theft or exposureRansomware preparationService shutdown risk

What to do now

  1. Check your QNAP device firmware version and confirm it is QTS before 4.2.4 Build 20170313.
  2. If it is affected, upgrade QTS to 4.2.4 Build 20170313 or later using QNAP’s official firmware update process.
  3. Verify the device is not exposed to the public internet (no direct port-forwarding/UPnP), and restrict access to only your office/VPN networks.
  4. Re-check after the update that the QTS version shows as 4.2.4 Build 20170313 or later.
Some work to apply

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

QNAP Systems, Inc.
commercial·TWaka qnap
QTS
Hardware Firmware
qnap
commercial·TWaka qnap systems
qts
Hardware Firmware
and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

http://www.securityfocus.com/bid/97059
securityfocus.com
http://www.securityfocus.com/bid/97072
securityfocus.com
http://www.securitytracker.com/id/1038091
securitytracker.com
and 5 more references View all →

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