Path traversal in Mitsubishi Electric Factory Automation Products



Published: 2020-07-31
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14523
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		CW Configurator
Client/Desktop applications / Software for system administration

Mitsubishi Electric FR Configurator2
Client/Desktop applications / Software for system administration

GX Works2
Client/Desktop applications / Software for system administration

GX Works3
Client/Desktop applications / Software for system administration

MELSOFT iQ AppPortal
Client/Desktop applications / Software for system administration

MELSOFT Navigator
Client/Desktop applications / Software for system administration

MI Configurator
Client/Desktop applications / Software for system administration

MR Configurator2
Client/Desktop applications / Software for system administration

MT Works2
Client/Desktop applications / Software for system administration

RT ToolBox3
Client/Desktop applications / Software for system administration

MELSEC iQ-R series
Hardware solutions / Routers & switches, VoIP, GSM, etc

MX Component
Universal components / Libraries / Libraries used by multiple products

Vendor Mitsubishi Electric

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU32954

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-14523

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary code execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

CW Configurator: 1.010L

Mitsubishi Electric FR Configurator2: 1.22Y

GX Works2: 1.595V

GX Works3: 1.063R

MELSEC iQ-R series: All versions

MELSOFT iQ AppPortal: All versions

MELSOFT Navigator: All versions

MI Configurator: All versions

MR Configurator2: All versions

MT Works2: 1.156N

MX Component: All versions

RT ToolBox3: 1.70Y

Fixed software versions

CPE2.3 External links

http://ics-cert.us-cert.gov/advisories/icsa-20-212-03


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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