CVE-2021-37194

Name: CVE-2021-37194
Creator: NVD / NIST
Published: 2022-02-09T16:15:12.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2021-37194 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.83%

53.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Comos	>= 10.3, < 10.3.3.3
Siemens	Comos	>= 10.4, < 10.4.1
Siemens	Comos	10.2

References

https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdfPatch, Vendor Advisory

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37194?

How severe is CVE-2021-37194?

CVE-2021-37194 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37194?

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-2021-37194?

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

Scan your code now

Source: NVD / NIST