CVE-2021-37201

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-14 · updated 2026-06-17
Weakness: CWE-352

Description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1). The web interface of affected devices is vulnerable to a Cross-Site Request Forgery (CSRF) attack. This could allow an attacker to manipulate the SINEC NMS configuration by tricking an unsuspecting user with administrative privileges to click on a malicious link.

Affected products

Siemens Sinec Network Management System: before 1.0; 1.0 — fixed in 1.0

How to fix

Upgrade to a fixed version: Siemens Sinec Network Management System 1.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-330339.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-330339.pdf

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