CVE-2023-27334

Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability

State
Published
Severity
7.5 High
Published
May 3, 2024
Updated
Aug 2, 2024
Reserved
Feb 28, 2023

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Description

Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20498.

Scores

CVSSScoreVectorSource
3.07.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hzdi

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Affected Products

ProductVersions
edgeConnector SiemensSofting
  • 3.40Affected

References

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