Use of Password Hash Instead of Password for Authentication in MELSEC iQ-F series FX5U(C) CPU module and MELSEC iQ-F Series FX5UJ CPU module - CVE-2022-25155
Published: April 4, 2022 / Updated: June 2, 2022
Vulnerability identifier: #VU61822
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25155
CWE-ID: CWE-836
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mitsubishi Electric
Affected software:
MELSEC iQ-F series FX5U(C) CPU module
MELSEC iQ-F Series FX5UJ CPU module
MELSEC iQ-F series FX5U(C) CPU module
MELSEC iQ-F Series FX5UJ CPU module
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to use of password hash instead of password for authentication. A remote attacker can log in to the product by replaying an eavesdropped password hash.
How to mitigate CVE-2022-25155
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.