CVE-2020-8867 Vulnerability Details

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CVE-2020-8867 Metadata Quick Info

CVE Published: 22/04/2020 | CVE Updated: 04/08/2024 | CVE Year: 2020
Source: zdi | Vendor: OPC Foundation | Product: UA .NET Standard
Status : PUBLISHED

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CVE-2020-8867 Description

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of sessions. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to create a denial-of-service condition against the application. Was ZDI-CAN-10295.

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-367
CWE Name: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Source: OPC Foundation

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).