CVE-2020-8867 – opcfoundation.netstandard.opc.ua

Package

Manager: nuget
Name: opcfoundation.netstandard.opc.ua
Vulnerable Version: >=0 <1.4.359.31

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.01718 pctl0.8165

Details

Insufficient Session Expiration and TOCTOU Race Condition in OPC FOundation UA .Net Standard 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.

Metadata

Created: 2021-08-02T17:35:42Z
Modified: 2021-05-25T20:12:12Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-9q94-v7ch-mxqw/GHSA-9q94-v7ch-mxqw.json
CWE IDs: ["CWE-367", "CWE-613"]
Alternative ID: GHSA-9q94-v7ch-mxqw
Finding: F062
Auto approve: 1