CVE-2021-34349

Command Injection Vulnerability in QVR

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.5 build 20210803 and later

Se ha informado de una vulnerabilidad de inyección de comandos que afecta al dispositivo de QNAP que ejecuta QVR. Si es explotado, esta vulnerabilidad podría permitir a atacantes remotos ejecutar comandos arbitrarios. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QVR: QVR 5.1.5 build 20210803 y posteriores

*Credits: 360 的安全研究员侯留洋（houliuyang@360.cn）和叶根深（yegenshen@360.cn）

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-08 CVE Reserved
2021-09-27 CVE Published
2023-04-19 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/en/security-advisory/qsa-21-35	2021-10-05

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 Search vendor "Qnap" for product "Qvr"				< 5.1.5 Search vendor "Qnap" for product "Qvr" and version " < 5.1.5"		-		Affected