What is CVE-2020-27556?

CVE-2020-27556 is a medium-severity vulnerability in Basetech Ge-131 Bt-1837836, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2020-11-17.

How severe is CVE-2020-27556?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Basetech Ge-131 Bt-1837836

CVE-2020-27556

A predictable device ID in BASETech GE-131 BT-1837836 firmware 20180921 allows unauthenticated remote attackers to connect to the device.

Published 2020-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Basetech Ge-131 Bt-1837836
Basetech Ge-131 Bt-1837836 Firmware — versions 20180921

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

infosec.rm-it.de/2020/11/04/basetech-ip-camera-analysis/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27556?: CVE-2020-27556 is a medium-severity vulnerability in Basetech Ge-131 Bt-1837836, classified under Use of Insufficiently Random Values. CVSS score: 5.3/10. Published 2020-11-17.
How severe is CVE-2020-27556?: Medium severity. CVSS v3 base score is 5.3 out of 10.