CVE-2020-8867 (GCVE-0-2020-8867)

Vulnerability from cvelistv5 – Published: 2020-04-22 20:51 – Updated: 2024-08-04 10:12
VLAI?
Summary
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.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
zdi
References
Impacted products
Vendor Product Version
OPC Foundation UA .NET Standard Affected: 1.04.358.30
Create a notification for this product.
Credits
Steven Seeley (mr_me) and Chris Anastasio (muffin)
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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