CVE-2020-9474

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-05-07 · updated 2026-06-17
Weakness: CWE-494

Description

The S. Siedle & Soehne SG 150-0 Smart Gateway before 1.2.4 allows remote code execution via the backup functionality in the web frontend. By using an exploit chain, an attacker with access to the network can get root access on the gateway.

Affected products

Siedle Sg 150-0 Firmware: before 1.2.4 — fixed in 1.2.4

How to fix

Upgrade to a fixed version: Siedle Sg 150-0 Firmware 1.2.4. Check the vendor advisory for mitigations.

References

https://research.hisolutions.com/2020/04/open-the-gates-insecurity-of-cloudless-smart-door-systems/
https://research.hisolutions.com/2020/04/open-the-gates-insecurity-of-cloudless-smart-door-systems/

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