SB2021100606 - Multiple vulnerabilities in Mitsubishi Electric GOT and Tension Controller

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2021-20602)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of exceptional conditions. A remote attacker can send specially crafted packets and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2021-20603)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the TCP-IP protocol stack of GOT and Tension Controller. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

3) Input validation error (CVE-ID: CVE-2021-20604)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the TCP-IP protocol stack of GOT and Tension Controller. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

4) Input validation error (CVE-ID: CVE-2021-20605)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the TCP-IP protocol stack of GOT and Tension Controller. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://ics-cert.us-cert.gov/advisories/icsa-21-278-01
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-014_en.pdf