CVE-2020-6882 : ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service

ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service access credentials on the device. The remote attacker could use this credential to connect to the MQTT server, so as to obtain information about other devices by sending specific topics. 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>

Published 2020-12-21 18:15:17

Updated 2021-07-21 11:39:24

Source ZTE Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-6882

EPSS FAQ

0.46%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 73 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-6882

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

Products affected by CVE-2020-6882

ZTE » Zxhn E8810 Firmware » Version: 1.0.26
cpe:2.3:o:zte:zxhn_e8810_firmware:1.0.26:*:*:*:*:*:*:*
Matching versions
When used together with: ZTE » Zxhn E8810 » Version: N/A
ZTE » Zxhn E8810 Firmware » Version: 2.0.1
cpe:2.3:o:zte:zxhn_e8810_firmware:2.0.1:*:*:*:*:*:*:*
Matching versions
When used together with: ZTE » Zxhn E8810 » Version: N/A
ZTE » Zxhn E8820 Firmware » Version: 1.1.3
cpe:2.3:o:zte:zxhn_e8820_firmware:1.1.3:*:*:*:*:*:*:*
Matching versions
When used together with: ZTE » Zxhn E8820 » Version: N/A
ZTE » Zxhn E8820 Firmware » Version: 2.0.13
cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:*:*:*:*:*:*:*
Matching versions
When used together with: ZTE » Zxhn E8820 » Version: N/A
ZTE » Zxhn E8822 Firmware » Version: 2.0.13
cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:*
Matching versions
When used together with: ZTE » Zxhn E8822 » Version: N/A

Vulnerability Details : CVE-2020-6882

Exploit prediction scoring system (EPSS) score for CVE-2020-6882

CVSS scores for CVE-2020-6882

CWE ids for CVE-2020-6882

References for CVE-2020-6882

Products affected by CVE-2020-6882