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CVE-2020-5666 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://jvn.jp/en/jp/JVN44764844/index.html | CVE | Third Party Advisory |
| https://jvn.jp/jp/JVN44764844/index.html | CVE | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01 | CVE | Third Party AdvisoryUS Government Resource |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-015_en.pdf | CVE | MitigationVendor Advisory |
| https://jvn.jp/en/jp/JVN44764844/index.html | [email protected] | Third Party Advisory |
| https://jvn.jp/jp/JVN44764844/index.html | [email protected] | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01 | [email protected] | Third Party AdvisoryUS Government Resource |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-015_en.pdf | [email protected] | MitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mitsubishielectric melsec iq-r00 firmware | >= 05, <= 19 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r00 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r01 firmware | >= 05, <= 19 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r01 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r02 firmware | >= 05, <= 19 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r02 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r04 firmware | >= 35, <= 51 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r04 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r16 firmware | >= 35, <= 51 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r16 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r08 firmware | >= 35, <= 51 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r08 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r32 firmware | >= 35, <= 51 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r32 | All versions |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r120 firmware | >= 35, <= 51 |
CPE
Remediation
| |
| mitsubishielectric melsec iq-r120 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Dec 3, 2020 | Initial Analysis | [email protected] |