SB2021110807 - Path traversal in Schneider Electric C-Bus Toolkit



SB2021110807 - Path traversal in Schneider Electric C-Bus Toolkit

Published: November 8, 2021

Security Bulletin ID SB2021110807
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2021-22748)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error within the processing of commands sent to the C-Gate 2 Service. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.