CVE-2020-8867

Published: Apr 22, 2020Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-367

7.5HIGH

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-367 CWE-613

Affected Products

opcfoundation

oss-project

unified architecture .net-standardMixed

OSS Libraries / generic-library

OPC Foundation

oss-projectaka opc ua

UA .NET StandardOn-prem

ICS / OT / IoT / industrial-network

NuGet

package-ecosystem

OPCFoundation.NetStandard.Opc.Ua

OSS Libraries

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Defense Evasion

Initial Access

Privilege Escalation

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References

https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-8867.pdf

opcfoundation.org

https://www.zerodayinitiative.com/advisories/ZDI-20-536/

zerodayinitiative.com

https://nvd.nist.gov/vuln/detail/CVE-2020-8867

nvd.nist.gov

and 2 more references View all →

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