What is CVE-2017-8156?

CVE-2017-8156 is a medium-severity vulnerability in Huawei B2338-168, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2017-11-22.

How severe is CVE-2017-8156?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Huawei B2338-168

CVE-2017-8156

The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port. An attacker can access the serial port on the circuit board of the outdoor unit and log in to the CPE without authentication. Successful exploit could allow the attacker to take control over the outdoor unit.

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei B2338-168
Huawei B2338-168_firmware — versions v100r001c00
Huawei Technologies Co., Ltd. B2338-168 — versions V100R001C00

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

psirt@huawei.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-8156?: CVE-2017-8156 is a medium-severity vulnerability in Huawei B2338-168, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2017-11-22.
How severe is CVE-2017-8156?: Medium severity. CVSS v3 base score is 6.8 out of 10.