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CVE-2023-5399

49
FAUCET Score

CVE-2023-5399 is a critical path traversal vulnerability (CWE-22) affecting Schneider Electric SpaceLogic C-Bus Toolkit. This flaw allows an unauthenticated attacker to manipulate files on a user's computer via the File Command, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and community discussion is minimal, its high FAUCET Risk Score of 95/100 indicates significant potential danger.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.16.4CPE matchmatch criteria
cpe:2.3:a:schneider-electric:spacelogic_c-bus_toolkit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
38.52%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3852 is in the 96th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

download.schneider-electric.com / files
Vendor Advisory