Cleartext transmission of sensitive information in Mitsubishi Electric products - CVE-2020-14476
Published: June 24, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU29221
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14476
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software uses insecure communication channel to transmit sensitive information between the affected products and GX Works3/GX Works2. A remote attacker with ability to intercept network traffic can gain access to sensitive data, leading to unauthorized operation, and denial-of-service (DoS) attacks.
Affected software
MELSEC iQ-R series
MELSEC iQ-F series
MELSEC Q series
MELSEC L series
MELSEC FX series
MELSEC iQ-F series
MELSEC Q series
MELSEC L series
MELSEC FX series
How to mitigate CVE-2020-14476
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.