CVE-2018-20387
CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Bnmux BCW700J 5.20.7, BCW710J 5.30.6a, and BCW710J2 5.30.16 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
Technical details
- Published
- 2018-12-23
Frequently asked questions
What is CVE-2018-20387?
Bnmux BCW700J 5.20.7, BCW710J 5.30.6a, and BCW710J2 5.30.16 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
Is CVE-2018-20387 actively exploited?
Active exploitation of CVE-2018-20387 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-20387?
CVE-2018-20387 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-20387 affecting your environment?
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