CVE-2021-20599
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I. Basic Information for CVE-2021-20599
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文传输
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric MELSEC iQ-R series 安全漏洞
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系列安全CPU R08/16/32/120SFCPU和MELSEC iQ-R系列SIL2进程CPU R08/16/32/120PSFCPU存在安全漏洞，攻击者可利用该漏洞获取密码以外的凭据登录到目标CPU模块。
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 Safety CPU R08SFCPU | Firmware versions "26" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R16SFCPU | Firmware versions "26" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R32SFCPU | Firmware versions "26" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R120SFCPU | Firmware versions "26" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU | Firmware versions "11" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R16PSFCPU | Firmware versions "11" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R32PSFCPU | Firmware versions "11" and prior | - | |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R120PSFCPU | Firmware versions "11" and prior | - |
II. Public POCs for CVE-2021-20599
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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IV. Related Vulnerabilities
Same vendor: Mitsubishi Electric Corporation
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Same weakness: CWE-319
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V. Comments for CVE-2021-20599
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