CRITICAL

CVE-2020-27555

CVSS v3

9.8

CRITICAL

EPSS Score

2.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-27555 yet.

Full record on NVD

Description

Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.

Technical details

Published: 2020-11-17

Frequently asked questions

What is CVE-2020-27555?

Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.

Is CVE-2020-27555 actively exploited?

Active exploitation of CVE-2020-27555 has not been confirmed. Its EPSS score was 2.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-27555?

CVE-2020-27555 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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