ZDI-26-298: Siemens SINEC NMS Authentication Bypass Vulnerability
Published Apr 23, 2026
·Updated
This vulnerability allows remote attackers to bypass authentication on affected installations of Siemens SINEC NMS. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-24032.
Affected Software
1 affected component
Siemens SINEC NMS
Event History
Apr 23, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What is the severity of ZDI-26-298?
The severity of ZDI-26-298 is rated at 7.3 on the CVSS scale, indicating a high level of risk.
2
How do I fix ZDI-26-298?
To fix ZDI-26-298, apply the latest security patches provided by Siemens for SINEC NMS.
3
What type of vulnerability is ZDI-26-298?
ZDI-26-298 is an authentication bypass vulnerability that allows remote attackers to gain unauthorized access.
4
Who is affected by ZDI-26-298?
Organizations using Siemens SINEC NMS are affected by the ZDI-26-298 vulnerability.
5
Can ZDI-26-298 be exploited remotely?
Yes, ZDI-26-298 can be exploited remotely without the need for authentication.