Auth bypass in Abus Secvest Wireless Alarm System Fuaa50000

CVE-2020-28973

The ABUS Secvest wireless alarm system FUAA50000 (v3.01.17) fails to properly authenticate some requests to its built-in HTTPS interface. Someone can use this vulnerability to obtain sensitive information from the system, such as usernames and passwords. This information can then be used to reconfigure or disable the alarm system.

Vulnerability class: Broken Authentication

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-28973: held from 0.010 to 0.010.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-28973?
CVE-2020-28973 is a high-severity vulnerability in Abus Secvest Wireless Alarm System Fuaa50000, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-04-21.
How severe is CVE-2020-28973?
High severity. CVSS v3 base score is 7.5 out of 10.