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CVE-2023-27336

nvd nist
Published: May 3, 2024Modified: Aug 13, 2025

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7.5
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: zdi-disclosures@trendmicro.com (Secondary)

Description

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.

Affected (3)

3 products
Edgeaggregator
Edgeconnector
Secure Integration Server
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Before 3.70
Before 3.70
Before 1.30

References (2)

Source: zdi-disclosures@trendmicro.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.