What is CVE-2021-37194?

CVE-2021-37194 is a high-severity vulnerability in Siemens Comos, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2022-02-09.

How severe is CVE-2021-37194?

High severity. CVSS v3 base score is 7.5 out of 10.

Arbitrary file upload in Siemens Comos

CVE-2021-37194

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Siemens Comos — versions 10.2
Siemens Comos V10.2 — versions All versions only if web components are used
Siemens Comos V10.3 — versions All versions < V10.3.3.3 only if web components are used
Siemens Comos V10.4 — versions All versions < V10.4.1 only if web components are used

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

productcert@siemens.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-37194?: CVE-2021-37194 is a high-severity vulnerability in Siemens Comos, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2022-02-09.
How severe is CVE-2021-37194?: High severity. CVSS v3 base score is 7.5 out of 10.