Vulnerabilities > Mitsubishielectric > Fx5S 40Mt ESS Firmware > Critical

DATE CVE VULNERABILITY TITLE RISK
2023-11-06 CVE-2023-4699 Insufficient Verification of Data Authenticity vulnerability in Mitsubishielectric products
Insufficient Verification of Data Authenticity vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules and MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to reset the memory of the products to factory default state and cause denial-of-service (DoS) condition on the products by sending specific packets.
network
low complexity
mitsubishielectric CWE-345
critical
9.1
2023-01-20 CVE-2022-40267 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishielectric products
Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU all versions, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU all versions allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.
network
low complexity
mitsubishielectric CWE-335
critical
9.1