CVE-2020-8867

State
Published
Severity
5.3 Medium
Published
Apr 22, 2020
Updated
Aug 4, 2024
Reserved
Feb 11, 2020

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.05.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lzdi

Weaknesses

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

ProductVersions
UA .NET StandardOPC Foundation
  • 1.04.358.30Affected

References

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