CVE-2020-16850
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。 R00/01/02CPU 所有版本，R04/08/16/32/120(EN)CPU所有版本，R08/16/32/120SFCPU所有版本，存在安全漏洞，该漏洞源于，R08/16/32/120PCPU所有版本,R16/32/64MTCPU所有版本存在安全漏洞，该漏洞允许攻击者造成拒绝服务。
Possible ATT&CK Techniques 3 AI
T1495 · Firmware Corruption T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-16850
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mitsubishi MELSEC iQ-R Series PLCs with firmware 49 allow an unauthenticated attacker to halt the industrial process by sending a crafted packet over the network. This denial of service attack exposes Improper Input Validation. After halting, physical access to the PLC is required in order to restore production, and the device state is lost. This is related to R04CPU, RJ71GF11-T2, R04CPU, and RJ71GF11-T2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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。 R00/01/02CPU 所有版本，R04/08/16/32/120(EN)CPU所有版本，R08/16/32/120SFCPU所有版本，存在安全漏洞，该漏洞源于，R08/16/32/120PCPU所有版本,R16/32/64MTCPU所有版本存在安全漏洞，该漏洞允许攻击者造成拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2020-16850
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-16850 (1)
Security Blog Posts for CVE-2020-16850 (1)
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IV. Related Vulnerabilities
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