CVE-2023-5399

Spacelogic C Bus Toolkit vulnerability

CVSS

9.8

EPSS

38.5%

EPSS pct

98th

Exploited

No known

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could cause tampering of files on the personal computer running C-Bus when using the File Command.

Affected vendor

Schneider Electric

Affected product

Spacelogic C Bus Toolkit

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2023-10-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 38.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-5399

Confirm whether Schneider Electric Spacelogic C Bus Toolkit is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-5399.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-5399

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-5399 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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