Vulnerability Details : 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:<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>
Vulnerability category: Denial of service
Products affected by CVE-2020-6881
- 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:o:zte:zxhn_e8820_firmware:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-6881
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-6881
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-6881
-
The product does not properly verify that the source of data or communication is valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-6881
-
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202
Security Bulletin DetailsVendor Advisory
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