CVE-2026-24032
High
Description
A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3 with UMC). The affected application contains an authentication weakness due to insufficient validation of user identity in the UMC component. This could allow an unauthenticated remote attacker to bypass authentication and gain unauthorized access to the application. (ZDI-CAN-27564)
SeverityHigh
CVSS7.3
Exploit probability—
ProductSINEC NMS
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- Siemens SINEC NMSV4.0 SP3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Siemens SINEC NMS | v < V4.0 SP3 | V4.0 SP3 |
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