How severe is CVE-2020-9473?

CVE-2020-9473 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9473?

CVE-2020-9473 affects Siedle Sg 150-0 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9473 published?

CVE-2020-9473 was published on 2020-04-06 and last updated on 2026-06-17.

CVE-2020-9473

CVE-2020-9473 is a medium-severity vulnerability in Siedle Sg 150-0 Firmware with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 8.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Siedle Sg 150-0 Firmware
Published: 2020-04-06
Last modified: 2026-06-17

Description

The S. Siedle & Soehne SG 150-0 Smart Gateway before 1.2.4 has a passwordless ftp ssh user. By using an exploit chain, an attacker with access to the network can get root access on the gateway.

Frequently asked questions

What is CVE-2020-9473?: The S. Siedle & Soehne SG 150-0 Smart Gateway before 1.2.4 has a passwordless ftp ssh user. By using an exploit chain, an attacker with access to the network can get root access on the gateway.
How severe is CVE-2020-9473?: CVE-2020-9473 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9473?: CVE-2020-9473 affects Siedle Sg 150-0 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9473 published?: CVE-2020-9473 was published on 2020-04-06 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:siedle:sg_150-0_firmware:*:*:*:*:*:*:*:*

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