Multiple vulnerabilities in Mitsubishi Electric GOT and Tension Controller



Published: 2021-10-06
Risk Medium
Patch available NO
Number of vulnerabilities 4
CVE-ID CVE-2021-20602
CVE-2021-20603
CVE-2021-20604
CVE-2021-20605
CWE-ID CWE-755
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		GOT2000 GT2107-WTBD
Server applications / SCADA systems

GOT2000 GT2107-WTSD
Server applications / SCADA systems

GOT2000 GT2104-RTBD
Server applications / SCADA systems

GOT2000 GT2104-PMBD
Server applications / SCADA systems

GOT2000 GT2103-PMBD
Server applications / SCADA systems

GOT SIMPLE GS2110-WTBD
Server applications / SCADA systems

GOT SIMPLE GS2107-WTBD
Server applications / SCADA systems

GOT SIMPLE GS2110-WTBD-N
Server applications / SCADA systems

GOT SIMPLE GS2107-WTBD-N
Server applications / SCADA systems

LE7-40GU-L
Hardware solutions / Firmware

Vendor Mitsubishi Electric

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Improper Handling of Exceptional Conditions

EUVDB-ID: #VU57079

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20602

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

Description

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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

GOT2000 GT2107-WTBD: All versions

GOT2000 GT2107-WTSD: All versions

GOT2000 GT2104-RTBD: All versions

GOT2000 GT2104-PMBD: All versions

GOT2000 GT2103-PMBD: All versions

GOT SIMPLE GS2110-WTBD: All versions

GOT SIMPLE GS2107-WTBD: All versions

GOT SIMPLE GS2110-WTBD-N: All versions

GOT SIMPLE GS2107-WTBD-N: All versions

LE7-40GU-L: All versions

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU57080

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20603

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

GOT2000 GT2107-WTBD: All versions

GOT2000 GT2107-WTSD: All versions

GOT2000 GT2104-RTBD: All versions

GOT2000 GT2104-PMBD: All versions

GOT2000 GT2103-PMBD: All versions

GOT SIMPLE GS2110-WTBD: All versions

GOT SIMPLE GS2107-WTBD: All versions

GOT SIMPLE GS2110-WTBD-N: All versions

GOT SIMPLE GS2107-WTBD-N: All versions

LE7-40GU-L: All versions

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU57081

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20604

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

GOT2000 GT2107-WTBD: All versions

GOT2000 GT2107-WTSD: All versions

GOT2000 GT2104-RTBD: All versions

GOT2000 GT2104-PMBD: All versions

GOT2000 GT2103-PMBD: All versions

GOT SIMPLE GS2110-WTBD: All versions

GOT SIMPLE GS2107-WTBD: All versions

GOT SIMPLE GS2110-WTBD-N: All versions

GOT SIMPLE GS2107-WTBD-N: All versions

LE7-40GU-L: All versions

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Input validation error

EUVDB-ID: #VU57082

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20605

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

GOT2000 GT2107-WTBD: All versions

GOT2000 GT2107-WTSD: All versions

GOT2000 GT2104-RTBD: All versions

GOT2000 GT2104-PMBD: All versions

GOT2000 GT2103-PMBD: All versions

GOT SIMPLE GS2110-WTBD: All versions

GOT SIMPLE GS2107-WTBD: All versions

GOT SIMPLE GS2110-WTBD-N: All versions

GOT SIMPLE GS2107-WTBD-N: All versions

LE7-40GU-L: All versions

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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