High severity · published Sep 6, 2024
CVE-2023-51367
QTS, QuTS hero
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute code via a network.
We have already fixed the vulnerability in the following versions:
QTS 5.1.6.2722 build 20240402 and later
QuTS hero h5.1.6.2734 build 20240414 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
QTS · QNAP Systems Inc.
5.1.x before 5.1.6.2722 build 20240402 · source: vendor, NVD
QH
Quts Hero · Qnap
h5.1.0.2409; h5.1.0.2424; h5.1.0.2453; h5.1.0.2466; h5.1.1.2488; h5.1.2.2534; +4 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-51367
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-51367
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-24-20
More from QTS
9.8
CVE-2020-2509
Command Injection Vulnerability in QTS and QuTS hero
9.8
CVE-2018-19949
QNAP NAS File Station Command Injection Vulnerability
6.1
CVE-2018-19953
QNAP NAS File Station Cross-Site Scripting Vulnerability
5.4
CVE-2018-19943
QNAP NAS File Station Cross-Site Scripting Vulnerability
9.8
CVE-2025-66276
QuTS hero is not affected