CVE-2021-20596 Vulnerability Details

  /     /     /  

CVE-2021-20596 Metadata Quick Info

CVE Published: 22/07/2021 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: Mitsubishi | Vendor: n/a | Product: MELSEC-F Series FX3U-ENET; FX3U-ENET-L; FX3U-ENET-P502
Status : PUBLISHED

---

CVE-2021-20596 Description

NULL Pointer Dereference in MELSEC-F Series FX3U-ENET firmware version 1.14 and prior, FX3U-ENET-L firmware version 1.14 and prior and FX3U-ENET-P502 firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a DoS condition in communication by sending specially crafted packets. Control by MELSEC-F series PLC is not affected and system reset is required for recovery.

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: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).