High severity · published Apr 26, 2024
CVE-2023-50363
QTS, QuTS hero
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
An incorrect authorization vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to bypass intended access restrictions 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:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% 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 Systems Inc.
h5.1.x before h5.1.6.2734 build 20240414 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50363
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-50363
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-24-20
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