CVE-2020-27553

Name: CVE-2020-27553
Creator: NVD / NIST
Published: 2020-11-17T15:15:12.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2020-27553 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.50%

71.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Basetech	Ge-131 Bt-1837836 Firmware	20180921

References

https://infosec.rm-it.de/2020/11/04/basetech-ip-camera-analysis/#vulnsExploit, Third Party Advisory
https://infosec.rm-it.de/2020/11/04/basetech-ip-camera-analysis/#vulnsExploit, Third Party Advisory

Timeline

Published: Nov 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27553?

How severe is CVE-2020-27553?

CVE-2020-27553 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27553?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27553?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST