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Fencer Intel
high 8.8

CVE-2020-9474 json

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. B…

published 6y ago modified 4mo ago also EUVD-2020-30291

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

  • siedle sg_150-0_firmware 1.2.4

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Exploit prediction

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • research.hisolutions.com https://research.hisolutions.com/2020/04/open-the-gates-insecurity-of-cloudless-smart-door-systems/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-494 Download of Code Without Integrity Check

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.