Description
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://jvn.jp/vu/JVNVU98578731/index.html
Vendor Advisory x_refsource_misc
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf
Scores
CVSS v3
5.3
EPSS
0.0047
EPSS Percentile
64.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-287
Status
published
Products (8)
mitsubishielectric/r08psfcpu_firmware
mitsubishielectric/r08sfcpu_firmware
mitsubishielectric/r120psfcpu_firmware
mitsubishielectric/r120sfcpu_firmware
mitsubishielectric/r16psfcpu_firmware
mitsubishielectric/r16sfcpu_firmware
mitsubishielectric/r32psfcpu_firmware
mitsubishielectric/r32sfcpu_firmware
Published
Aug 06, 2021
Tracked Since
Feb 18, 2026