CVE-2020-5666
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I. Basic Information for CVE-2020-5666
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric MELSEC iQ-R series 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-R series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 MELSEC iQ-R series CPU modules 存在资源管理错误漏洞，该漏洞源于存在资源不可控消耗拒绝服务漏洞。将CPU模块的Web服务器参数设置为不使用时，此漏洞不影响产品，默认设置未使用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mitsubishi Electric Corporation | 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' | - |
II. Public POCs for CVE-2020-5666
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://jvn.jp/jp/JVN44764844/index.htmlx_refsource_MISC
- https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01x_refsource_MISC
- https://jvn.jp/en/jp/JVN44764844/index.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-5666
IV. Related Vulnerabilities
Same vendor: Mitsubishi Electric Corporation
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V. Comments for CVE-2020-5666
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