CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LCVE-2021-20598
Medium (5.3) in mitsubishielectric. EPSS 1.5% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
- CWE
- CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mitsubishielectric:r08psfcpu_firmware
- mitsubishielectric:r08sfcpu_firmware
- mitsubishielectric:r120psfcpu_firmware
- mitsubishielectric:r120sfcpu_firmware
- mitsubishielectric:r16psfcpu_firmware
- mitsubishielectric:r16sfcpu_firmware
- mitsubishielectric:r32psfcpu_firmware
- mitsubishielectric:r32sfcpu_firmware