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CVE-2020-5652

Quick assessment

Affected
Mitsubishi Electric Corporation MELSEC iQ-R, Q and L series
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-Q Series等都是日本三菱电机（Mitsubishi Electric）公司的产品。MELSEC-Q Series是一款MELSEC-Q系列的可编程逻辑控制器。MELSEC-L Series是一款MELSEC-L系列的可编程逻辑控制器。MELSEC iQ-R series是一款可编程逻辑控制器。 MELSEC iQ-R Series 存在资源管理错误漏洞，该漏洞源于当 CPU 模块从恶意攻击者那里接收到一个特制的数据包时，以太网通信可能进入拒绝服务

AI Predicted 7.5 Difficulty: Easy EPSS 3.57% · P89

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-5652

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier , Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions) allows a remote unauthenticated attacker to stop the Ethernet communication functions of the products via a specially crafted packet, which may lead to a denial of service (DoS) condition .
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
多款Mitsubishi Electric产品资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC-Q Series等都是日本三菱电机（Mitsubishi Electric）公司的产品。MELSEC-Q Series是一款MELSEC-Q系列的可编程逻辑控制器。MELSEC-L Series是一款MELSEC-L系列的可编程逻辑控制器。MELSEC iQ-R series是一款可编程逻辑控制器。 MELSEC iQ-R Series 存在资源管理错误漏洞，该漏洞源于当 CPU 模块从恶意攻击者那里接收到一个特制的数据包时，以太网通信可能进入拒绝服务
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
Mitsubishi Electric Corporation MELSEC iQ-R, Q and L series R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTC -

II. Public POCs for CVE-2020-5652

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III. Intelligence Information for CVE-2020-5652

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Vendor Advisories for CVE-2020-5652 (1)

Same Patch Batch · Mitsubishi Electric Corporation · 2020-10-30 · 7 CVEs total

CVE-2020-5657 多款Mitsubishi Electric产品参数注入漏洞
CVE-2020-5658 多款Mitsubishi Electric产品资源管理错误漏洞
CVE-2020-5655 多款Mitsubishi Electric产品代码问题漏洞
CVE-2020-5656 多款Mitsubishi Electric产品安全漏洞
CVE-2020-5653 多款Mitsubishi Electric产品安全漏洞
CVE-2020-5654 多款Mitsubishi Electric产品授权问题漏洞

IV. Related Vulnerabilities

Same vendor: Mitsubishi Electric Corporation

V. Comments for CVE-2020-5652

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