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CVE-2020-8867

Published: Apr 22, 2020Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-367
7.5HIGH
NVD MITRE
EPSS Score
2.6%
Top 16.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
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-367CWE-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
View detailed technique mapping

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 →
News mentions
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