// For flags

CVE-2021-38692

Stack Overflow Vulnerability in QVR Elite, QVR Pro and QVR Guard

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Guard 2.1.3.0 (2021/12/06) and later

Se ha informado de una vulnerabilidad de desbordamiento del búfer de la pila que afecta al dispositivo de QNAP que ejecuta QVR Elite, QVR Pro, QVR Guard. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar código arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (06/12/2021) y posteriores QuTS hero h4.5.4: QVR Elite 2.1.4.0 (06/12/2021) y posteriores QTS 5.0.0: QVR Elite 2.1.4.0 (06/12/2021) y posteriores QTS 4.5.4: QVR Elite 2.1.4.0 (06/12/2021) y posteriores QTS 4.5.4: QVR Pro 2.1.3.0 (06/12/2021) y posteriores QTS 5.0.0: QVR Pro 2.1.3.0 (06/12/2021) y posteriores QTS 4.5.4: QVR Guard 2.1.3.0 (06/12/2021) y posteriores QTS 5.0.0: QVR Guard 2.1.3.0 (06/12/2021) y posteriores

*Credits: crixer
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-13 CVE Reserved
  • 2022-01-14 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-787: Out-of-bounds Write
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qnap
Search vendor "Qnap"
Qvr Elite
Search vendor "Qnap" for product "Qvr Elite"
< 2.1.4.0
Search vendor "Qnap" for product "Qvr Elite" and version " < 2.1.4.0"
-
Affected
Qnap
Search vendor "Qnap"
Qvr Guard
Search vendor "Qnap" for product "Qvr Guard"
< 2.1.3.0
Search vendor "Qnap" for product "Qvr Guard" and version " < 2.1.3.0"
-
Affected
Qnap
Search vendor "Qnap"
Qvr Pro
Search vendor "Qnap" for product "Qvr Pro"
< 2.1.3.0
Search vendor "Qnap" for product "Qvr Pro" and version " < 2.1.3.0"
-
Affected