HIGH🇵🇱 Wersja polska

CVE-2023-27336

CVSS 7.5v3.0pub. 2024-05-03upd. 2025-08-13

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.

CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  • Softing Edgeaggregator

    APP
    Softing
    < 3.70

  • Softing Edgeconnector

    APP
    Softing
    < 3.70

  • Softing Secure Integration Server

    APP
    Softing
    < 1.30
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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