CVE-2023-27336 - Vulnerability Details - OpenCVE

Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference 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 client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Softing	Edgeaggregator Edgeconnector Secure Integration Server

Configuration 1 [-]

OR	cpe:2.3:a:softing:edgeaggregator::::::::
	cpe:2.3:a:softing:edgeconnector::::::::
	cpe:2.3:a:softing:secure_integration_server::::::::

No data.

References

Link	Providers
https://www.zerodayinitiative.com/advisories/ZDI-23-1065/

History

Wed, 13 Aug 2025 00:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Softing Softing edgeaggregator Softing edgeconnector Softing secure Integration Server
CPEs		cpe:2.3:a:softing:edgeaggregator:::::::: cpe:2.3:a:softing:edgeconnector:::::::: cpe:2.3:a:softing:secure_integration_server::::::::
Vendors & Products		Softing Softing edgeaggregator Softing edgeconnector Softing secure Integration Server

MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2024-05-03T01:55:58.472Z

Updated: 2024-08-02T12:09:43.421Z

Reserved: 2023-02-28T17:58:45.479Z

Link: CVE-2023-27336

Vulnrichment

Updated: 2024-08-02T12:09:43.421Z

NVD

Status : Analyzed

Published: 2024-05-03T02:15:10.807

Modified: 2025-08-13T00:04:00.463

Link: CVE-2023-27336

Redhat

No data.

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