Path Traversal in Schneider Electric C-Bus Toolkit

CVE-2023-5399

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.385 (98.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-5399: held from 0.385 to 0.385.

EPSS over last 30 days · oldest: 0.385 · newest: 0.385 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-5399?
CVE-2023-5399 is a critical-severity vulnerability in Schneider Electric C-Bus Toolkit, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-10-04.
How severe is CVE-2023-5399?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-5399 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.