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CVE-2023-5402

24
FAUCET Score

CVE-2023-5402 is a critical improper privilege management vulnerability (CWE-269) affecting Schneider Electric C-Bus Toolkit, allowing remote code execution when the transfer command is used over the network. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without user interaction, leading to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.16.3CPE matchmatch criteria
cpe:2.3:a:schneider-electric: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
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 30th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

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