CVE Vulnerability

CVE-2020-6881

ZTE E8810/E8820/E8822 series routers have an MQTT DoS vulnerability, which is caused by the failure of the device to verify the validity of abnormal messages. A remote attacker could connect to the MQTT server and send an MQTT exception message to the specified device, which will cause the device to deny service. This affects:

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2020-12-21 06:15

Updated : 2020-12-22 08:32

NVD link : CVE-2020-6881

Mitre link : CVE-2020-6881

Products Affected
No products.
CWE
CWE-346