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CVE-2020-9474

27
FAUCET Score

CVE-2020-9474 describes a critical remote code execution vulnerability in the S. Siedle & Soehne SG 150-0 Smart Gateway, affecting firmware versions prior to 1.2.4. An authenticated attacker with network access can leverage the web frontend's backup functionality to achieve root access on the device through an exploit chain. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, organizations using affected gateways should prioritize patching to mitigate potential compromise.

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

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 76th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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