CVEvulnerability
CVE-2023-27336
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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 configurations
• softing edgeaggregator (< 3.70)
• softing edgeconnector (< 3.70)
• softing secure integration server (< 1.30)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://www.zerodayinitiative.com/advisories/ZDI-23-1065/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1065/ Third Party Advisory