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CVE-2020-9473

18
FAUCET Score

CVE-2020-9473 describes a critical vulnerability in the S. Siedle & Soehne SG 150-0 Smart Gateway, specifically in firmware versions prior to 1.2.4. This flaw involves a passwordless FTP SSH user, which, when combined with an exploit chain, allows an attacker with network access to gain root privileges on the device. The vulnerability carries a CVSS score of 6.6 (Medium) due to its high impact on confidentiality, integrity, and availability, though it requires high privileges and network access for exploitation. Currently, there is no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.4CPE matchmatch criteria
cpe:2.3:o:siedle:sg_150-0_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.6MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.7
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 75th percentile among its peer group of 687 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

research.hisolutions.com / 2020/04/open-the-gates-insecurity-of-cloudless-smart-door-systems
ExploitThird Party Advisory