CVE-2021-21735

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A ZTE product has an information leak vulnerability. Due to improper permission settings, an attacker with ordinary user permissions could exploit this vulnerability to obtain some sensitive user information through the wizard page without authentication. This affects ZXHN H168N all versions up to V3.5.0_EG1T4_TE.

Un producto de ZTE tiene una vulnerabilidad de filtrado de información. Debido a una configuración inapropiada de los permisos, un atacante con permisos de usuario ordinarios podría explotar esta vulnerabilidad para obtener alguna información sensible del usuario mediante la página del asistente sin autenticación. Esto afecta al producto ZXHN H168N en todas las versiones hasta la V3.5.0_EG1T4_TE

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2021-06-10 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-281: Improper Preservation of 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=1015924	2021-06-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zte Search vendor "Zte"	Zxhn H168n Firmware Search vendor "Zte" for product "Zxhn H168n Firmware"	<= 3.5.0_eg1t4_te Search vendor "Zte" for product "Zxhn H168n Firmware" and version " <= 3.5.0_eg1t4_te"	-	Affected	in	Zte Search vendor "Zte"	Zxhn H168n Search vendor "Zte" for product "Zxhn H168n"	-	-	Safe