// For flags

CVE-2023-50361

QTS, QuTS hero

Severity Score

5.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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 authenticated 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

Se ha informado que una copia del búfer sin verificar el tamaño de la vulnerabilidad de entrada afecta a varias versiones del sistema operativo QNAP. Si se explota, la vulnerabilidad podría permitir a los usuarios autenticados ejecutar código a través de una red. Ya hemos solucionado la vulnerabilidad en las siguientes versiones: QTS 5.1.6.2722 build 20240402 y posteriores QuTS hero h5.1.6.2734 build 20240414 y posteriores

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 authenticated 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

*Credits: Aliz Hammond of watchTowr
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-12-07 CVE Reserved
  • 2024-04-26 CVE Published
  • 2024-08-02 CVE Updated
  • 2025-07-07 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-121: Stack-based Buffer Overflow
CAPEC
  • CAPEC-100: Overflow Buffers
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qnap
Search vendor "Qnap"
 Quts Hero
Search vendor "Qnap" for product "Quts Hero"
*-
Affected
Qnap
Search vendor "Qnap"
 Qts
Search vendor "Qnap" for product "Qts"
*-
Affected
Qnap
Search vendor "Qnap"
 Quts Hero
Search vendor "Qnap" for product "Quts Hero"
*-
Affected