#VU31814 Improper access control in Schneider Electric products - CVE-2020-7491

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Main Vulnerability Database Vulnerabilities #VU31814

#VU31814 Improper access control in Schneider Electric products - CVE-2020-7491

Published: July 24, 2020


Vulnerability identifier: #VU31814
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-7491
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Tricon Communications Module (TCM) Models 4351
Tricon Communications Module (TCM) Models 4352
Tricon Communications Module (TCM) Models 4351A/B
Tricon Communications Module (TCM) Models 4352A/B
Software vendor:
Schneider Electric

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in a legacy debug port account. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Note: This vulnerability affects the following versions:

  • 10.2.0 through 10.5.3


Remediation

Install updates from vendor's website.

External links