NULL pointer dereference in Softing Edgeaggregator
CVE-2023-27336
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.
EPSS: 0.008 (55.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27336?
- CVE-2023-27336 is a high-severity vulnerability in Softing Edgeaggregator, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2024-05-03.
- How severe is CVE-2023-27336?
- High severity. CVSS v3 base score is 7.5 out of 10.