CVE-2020-5666
High
Description
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMitsubishielectric Melsec Iq-r00 Firmware
PublishedNov 16, 2020
First seenNov 16, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mitsubishielectric melsec_iq-r00_firmware | 05 ≤ v ≤ 19 | — |
| mitsubishielectric melsec_iq-r01_firmware | 05 ≤ v ≤ 19 | — |
| mitsubishielectric melsec_iq-r02_firmware | 05 ≤ v ≤ 19 | — |
| mitsubishielectric melsec_iq-r04_firmware | 35 ≤ v ≤ 51 | — |
| mitsubishielectric melsec_iq-r16_firmware | 35 ≤ v ≤ 51 | — |
| mitsubishielectric melsec_iq-r08_firmware | 35 ≤ v ≤ 51 | — |
| mitsubishielectric melsec_iq-r32_firmware | 35 ≤ v ≤ 51 | — |
| mitsubishielectric melsec_iq-r120_firmware | 35 ≤ v ≤ 51 | — |
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