Path Traversal in Basetech Ge-131 Bt-1837836

CVE-2020-27553

In BASETech GE-131 BT-1837836 firmware 20180921, the web-server on the system is configured with the option “DocumentRoot /etc“. This allows an attacker with network access to the web-server to download any files from the “/etc” folder without authentication. No path traversal sequences are needed to exploit this vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.015 (71.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27553?
CVE-2020-27553 is a high-severity vulnerability in Basetech Ge-131 Bt-1837836, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-11-17.
How severe is CVE-2020-27553?
High severity. CVSS v3 base score is 7.5 out of 10.