Mitsubishi Electric MELSEC iQ-R Series Overly Restrictive Account Lockout Mechanism (CVE-2021-20598)

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...

CVE-2021-20598

The CVE-2021-20598 issue affects Mitsubishi Electric MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU and related SIL2 Process CPU R08/16/32/120PSFCPU, where an anti-brute-force function incorrectly locks out all users after multiple failed logins, enabling a remote attacker to disrupt legitimate...