Vulnerability identifier: #VU48069
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MELSEC iQ-R 00 CPU
Hardware solutions /
Firmware
MELSEC iQ-R 01 CPU
Hardware solutions /
Firmware
MELSEC iQ-R 02 CPU
Hardware solutions /
Firmware
MELSEC iQ-R 04 (EN) CPU
Hardware solutions /
Firmware
MELSEC iQ-R 08 (EN) CPU
Hardware solutions /
Firmware
MELSEC iQ-R 16 (EN) CPU
Hardware solutions /
Firmware
MELSEC iQ-R 32 (EN) CPU
Hardware solutions /
Firmware
MELSEC iQ-R 120 (EN) CPU
Hardware solutions /
Firmware
MELSEC iQ-R 08 SFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 16 SFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 32 SFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 120 SFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 08 PCPU
Hardware solutions /
Firmware
MELSEC iQ-R 16 PCPU
Hardware solutions /
Firmware
MELSEC iQ-R 32 PCPU
Hardware solutions /
Firmware
MELSEC iQ-R 120 PCPU
Hardware solutions /
Firmware
MELSEC iQ-R 08 PSFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 16 PSFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 32 PSFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 120 PSFCPU
Hardware solutions /
Firmware
MELSEC iQ-R 16 MTCPU
Hardware solutions /
Firmware
MELSEC iQ-R 32 MTCPU
Hardware solutions /
Firmware
MELSEC iQ-R 64 MTCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 03 UDECPU
Hardware solutions /
Firmware
MELSEC iQ-Q 04 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 06 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 10 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 13 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 20 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 26 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 50 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 100 UDEHCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 03 UDVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 04 UDVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 06 UDVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 13 UDVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 26 UDVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 04 UDPVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 06 UDPVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 13 UDPVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 26 UDPVCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 172 DCPU-S1
Hardware solutions /
Firmware
MELSEC iQ-Q 173 DCPU-S1
Hardware solutions /
Firmware
MELSEC iQ-Q 172 DSCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 173 DSCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 170 MCPU
Hardware solutions /
Firmware
MELSEC iQ-Q 170 MSCPU(-S1)
Hardware solutions /
Firmware
MELSEC iQ-Q MR-MQ100
Hardware solutions /
Firmware
MELSEC-L L02CPU-P
Hardware solutions /
Routers & switches, VoIP, GSM, etc
MELSEC-L L06CPU-P
Hardware solutions /
Routers & switches, VoIP, GSM, etc
MELSEC-L L26CPU-P
Hardware solutions /
Routers & switches, VoIP, GSM, etc
MELSEC-L L26CPU-PBT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Mitsubishi Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can send a specially crafted packet, trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MELSEC iQ-R 00 CPU: 20
MELSEC iQ-R 01 CPU: 20
MELSEC iQ-R 02 CPU: 20
MELSEC iQ-R 04 (EN) CPU: 52
MELSEC iQ-R 08 (EN) CPU: 52
MELSEC iQ-R 16 (EN) CPU: 52
MELSEC iQ-R 32 (EN) CPU: 52
MELSEC iQ-R 120 (EN) CPU: 52
MELSEC iQ-R 08 SFCPU: 22
MELSEC iQ-R 16 SFCPU: 22
MELSEC iQ-R 32 SFCPU: 22
MELSEC iQ-R 120 SFCPU: 22
MELSEC iQ-R 08 PCPU: All versions
MELSEC iQ-R 16 PCPU: All versions
MELSEC iQ-R 32 PCPU: All versions
MELSEC iQ-R 120 PCPU: All versions
MELSEC iQ-R 08 PSFCPU: All versions
MELSEC iQ-R 16 PSFCPU: All versions
MELSEC iQ-R 32 PSFCPU: All versions
MELSEC iQ-R 120 PSFCPU: All versions
MELSEC iQ-R 16 MTCPU: All versions
MELSEC iQ-R 32 MTCPU: All versions
MELSEC iQ-R 64 MTCPU: All versions
MELSEC iQ-Q 03 UDECPU: 22081
MELSEC iQ-Q 04 UDEHCPU: 22081
MELSEC iQ-Q 06 UDEHCPU: 22081
MELSEC iQ-Q 10 UDEHCPU: 22081
MELSEC iQ-Q 13 UDEHCPU: 22081
MELSEC iQ-Q 20 UDEHCPU: 22081
MELSEC iQ-Q 26 UDEHCPU: 22081
MELSEC iQ-Q 50 UDEHCPU: 22081
MELSEC iQ-Q 100 UDEHCPU: 22081
MELSEC iQ-Q 03 UDVCPU: 22031
MELSEC iQ-Q 04 UDVCPU: 22031
MELSEC iQ-Q 06 UDVCPU: 22031
MELSEC iQ-Q 13 UDVCPU: 22031
MELSEC iQ-Q 26 UDVCPU: 22031
MELSEC iQ-Q 04 UDPVCPU: 22031
MELSEC iQ-Q 06 UDPVCPU: 22031
MELSEC iQ-Q 13 UDPVCPU: 22031
MELSEC iQ-Q 26 UDPVCPU: 22031
MELSEC iQ-Q 172 DCPU-S1: All versions
MELSEC iQ-Q 173 DCPU-S1: All versions
MELSEC iQ-Q 172 DSCPU: All versions
MELSEC iQ-Q 173 DSCPU: All versions
MELSEC iQ-Q 170 MCPU: All versions
MELSEC iQ-Q 170 MSCPU(-S1): All versions
MELSEC iQ-Q MR-MQ100: All versions
MELSEC-L L02CPU-P: All versions
MELSEC-L L06CPU-P: All versions
MELSEC-L L26CPU-P: All versions
MELSEC-L L26CPU-PBT: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-20-303-01
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.