CVE-2021-21737

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to insufficient protection of system application, attackers could use this vulnerability to tamper with the system desktop and affect system customization functions. This affects: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016

Un producto STB inteligente de ZTE está impactado por una vulnerabilidad de control de permisos y acceso. Debido a una protección insuficiente de la aplicación del sistema, unos atacantes podrían usar esta vulnerabilidad para dañar el escritorio del sistema y afectar a las funciones de personalización del mismo. Esto afecta las versiones: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2021-06-24 CVE Published
2024-03-09 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004	2021-06-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zte Search vendor "Zte"	Zxv10 B860h V5.0 Firmware Search vendor "Zte" for product "Zxv10 B860h V5.0 Firmware"	v83011303.0010 Search vendor "Zte" for product "Zxv10 B860h V5.0 Firmware" and version "v83011303.0010"	-	Affected	in	Zte Search vendor "Zte"	Zxv10 B860h V5.0 Search vendor "Zte" for product "Zxv10 B860h V5.0"	-	-	Safe
Zte Search vendor "Zte"	Zxv10 B860h V5.0 Firmware Search vendor "Zte" for product "Zxv10 B860h V5.0 Firmware"	v83011303.0016 Search vendor "Zte" for product "Zxv10 B860h V5.0 Firmware" and version "v83011303.0016"	-	Affected	in	Zte Search vendor "Zte"	Zxv10 B860h V5.0 Search vendor "Zte" for product "Zxv10 B860h V5.0"	-	-	Safe