CVE-2020-5666
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Una vulnerabilidad de consumo de recursos no controlado en MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versiones desde "05" hasta "19" y R04/08/16/32/120(EN)CPU Firmware versiones desde "35" hasta "51"), permite a un atacante remoto causar un error en una unidad de CPU por medio de un paquete HTTP especialmente diseñado, lo que puede conllevar a una condición de denegación de servicio (DoS) en la ejecución del programa y su comunicación
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-01-06 CVE Reserved
- 2020-11-16 CVE Published
- 2024-08-04 CVE Updated
- 2024-09-05 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://jvn.jp/en/jp/JVN44764844/index.html | Third Party Advisory | |
| https://jvn.jp/jp/JVN44764844/index.html | Third Party Advisory | |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-015_en.pdf | 2020-12-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r00 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r00 Firmware" | >= 05 <= 19 Search vendor "Mitsubishielectric" for product "Melsec Iq-r00 Firmware" and version " >= 05 <= 19" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r00 Search vendor "Mitsubishielectric" for product "Melsec Iq-r00" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r01 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r01 Firmware" | >= 05 <= 19 Search vendor "Mitsubishielectric" for product "Melsec Iq-r01 Firmware" and version " >= 05 <= 19" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r01 Search vendor "Mitsubishielectric" for product "Melsec Iq-r01" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r02 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r02 Firmware" | >= 05 <= 19 Search vendor "Mitsubishielectric" for product "Melsec Iq-r02 Firmware" and version " >= 05 <= 19" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r02 Search vendor "Mitsubishielectric" for product "Melsec Iq-r02" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r04 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r04 Firmware" | >= 35 <= 51 Search vendor "Mitsubishielectric" for product "Melsec Iq-r04 Firmware" and version " >= 35 <= 51" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r04 Search vendor "Mitsubishielectric" for product "Melsec Iq-r04" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r16 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r16 Firmware" | >= 35 <= 51 Search vendor "Mitsubishielectric" for product "Melsec Iq-r16 Firmware" and version " >= 35 <= 51" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r16 Search vendor "Mitsubishielectric" for product "Melsec Iq-r16" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r08 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r08 Firmware" | >= 35 <= 51 Search vendor "Mitsubishielectric" for product "Melsec Iq-r08 Firmware" and version " >= 35 <= 51" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r08 Search vendor "Mitsubishielectric" for product "Melsec Iq-r08" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r32 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r32 Firmware" | >= 35 <= 51 Search vendor "Mitsubishielectric" for product "Melsec Iq-r32 Firmware" and version " >= 35 <= 51" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r32 Search vendor "Mitsubishielectric" for product "Melsec Iq-r32" | - | - |
Safe
|
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r120 Firmware Search vendor "Mitsubishielectric" for product "Melsec Iq-r120 Firmware" | >= 35 <= 51 Search vendor "Mitsubishielectric" for product "Melsec Iq-r120 Firmware" and version " >= 35 <= 51" | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Iq-r120 Search vendor "Mitsubishielectric" for product "Melsec Iq-r120" | - | - |
Safe
|