CVE-2021-33727

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-12 · updated 2026-06-17
Weakness: CWE-200

Description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). An authenticated attacker could download the user profile of any user. With this, the attacker could leak confidential information of any user in the affected system.

Affected products

Siemens SINEC NMS: before 1.0; 1.0, 1.0-sp1, 1.0-sp2 — fixed in 1.0

How to fix

Upgrade to a fixed version: Siemens SINEC NMS 1.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf

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