Mitsubishi Electric MELSEC iQ-R Series
A remote attacker can leverage a brute-force attack to acquire legitimate usernames registered in the module. CVE-2021-20594 has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N). A remote attacker could obtain unprotected credentials by sniffing network traffic. CVE-2021-20597 has been assigned to this vulnerability. A CVSS v3 base score of 7.4 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N). A remote attacker could lock out a legitimate user by continually attempting to login with a known username and incorrect passwords. CVE-2021-20598 has been assigned to this vulnerability. A CVSS v3 base score of 3.7 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).