CVE-2020-6881 - Vulnerability Details - OpenCVE

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:<ZXHN E8810, ZXHN E8820, ZXHN E8822><E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13>

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Zte	Zxhn E8810 Zxhn E8810 Firmware Zxhn E8820 Zxhn E8820 Firmware Zxhn E8822 Zxhn E8822 Firmware

Configuration 1 [-]

AND

OR	cpe:2.3:o:zte:zxhn_e8810_firmware:1.0.26:::::::*
	cpe:2.3:o:zte:zxhn_e8810_firmware:2.0.1:::::::*

cpe:2.3:h:zte:zxhn_e8810:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

OR	cpe:2.3:o:zte:zxhn_e8820_firmware:1.1.3:::::::*
	cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:::::::*

cpe:2.3:h:zte:zxhn_e8820:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:*

cpe:2.3:h:zte:zxhn_e8822:-:*:*:*:*:*:*:*

No data.

References

Link	Providers
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202

History

No history.

MITRE

Status: PUBLISHED

Assigner: zte

Published: 2020-12-21T17:18:21

Updated: 2024-08-04T09:18:01.465Z

Reserved: 2020-01-13T00:00:00

Link: CVE-2020-6881

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-21T18:15:16.713

Modified: 2024-11-21T05:36:20.723

Link: CVE-2020-6881

Redhat

No data.

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