CVE-2021-37191

Name: CVE-2021-37191
Creator: NVD / NIST
Published: 2021-09-14T11:15:26.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2021-37191 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.37%

28.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-799

Affected Software

Vendor	Product	Versions
Siemens	Sinema Remote Connect Server	< 3.0
Siemens	Sinema Remote Connect Server	3.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdfPatch, Vendor Advisory

Timeline

Published: Sep 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37191?

How severe is CVE-2021-37191?

CVE-2021-37191 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37191?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37191?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST