CVEvulnerability
CVE-2023-27334
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-400
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.
Affected configurations
• softing edgeaggregator (< 3.70)
• softing edgeconnector (< 3.70)
• softing opc ua c\+\+ software development kit (< 6.20.1)
• softing secure integration server (< 1.30)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1054/ Third Party Advisory
- https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1054/ Third Party Advisory