CVE-2021-37191

Severity: medium (CVSS 4.3 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-799

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). An unauthenticated attacker in the same network of the affected system could brute force the usernames from the affected software.

Affected products

Siemens SINEMA Remote Connect Server: before 3.0; 3.0, 3.0-sp1 — fixed in 3.0

How to fix

Upgrade to a fixed version: Siemens SINEMA Remote Connect Server 3.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf

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