CVE-2020-5655 Vulnerability Details

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CVE-2020-5655 Metadata Quick Info

CVE Published: 30/10/2020 | CVE Updated: 04/08/2024 | CVE Year: 2020
Source: jpcert | Vendor: Mitsubishi Electric Corporation | Product: MELSEC iQ-R series
Status : PUBLISHED

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CVE-2020-5655 Description

NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are \'02\' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are \'01\' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are \'08\' or before, RD81MES96N MES Interface Module First 2 digits of serial number are \'04\' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are \'04\' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: NULL Pointer Dereference
Source: Mitsubishi Electric Corporation

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).