CVE-2021-37196

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-11 · updated 2026-06-17
Weakness: CWE-23

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 V10.3 (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 unpacks specially crafted archive files to relative paths. This vulnerability could allow an attacker to store files in any folder accessible by the COMOS Web webservice.

Affected products

Siemens COMOS: through 10.2; from 10.3 before 10.3.3.3; 10.4 — fixed in 10.3.3.3

How to fix

Upgrade to a fixed version: Siemens COMOS 10.3.3.3. Check the vendor advisory for mitigations.

References

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