CVE-2021-21722

Severity Score

4.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A ZTE Smart STB is impacted by an information leak vulnerability. The device did not fully verify the log, so attackers could use this vulnerability to obtain sensitive user information for further information detection and attacks. This affects: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom.

Un ZTE Smart STB está afectado por una vulnerabilidad de filtrado de información. El dispositivo no verificó completamente el registro, por lo que los atacantes podrían usar esta vulnerabilidad para obtener información confidencial del usuario para mayor detección de información y ataques. Esto afecta a: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

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
2021-01-14 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-532: Insertion of Sensitive Information into Log File

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014324	2022-07-12

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 B860a Firmware Search vendor "Zte" for product "Zxv10 B860a Firmware"	v2.1-t_v0032.1.1.04_jiangsutelecom Search vendor "Zte" for product "Zxv10 B860a Firmware" and version "v2.1-t_v0032.1.1.04_jiangsutelecom"	-	Affected	in	Zte Search vendor "Zte"	Zxv10 B860a Search vendor "Zte" for product "Zxv10 B860a"	-	-	Safe