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CVE-2021-37191

MEDIUM
4.3
CVSS Score
Published: September 14, 2021 at 10:47 AM UTC
Updated: June 17, 2026 at 04:00 AM UTC
1 product affected across 1 vendorSINEMA Remote Connect Server

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SINEMA Remote Connect Server· Siemens
95%
v < 3.03.03.0 sp1All versions < V3.0 SP2
Affected range stops below 3.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-799

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