# CVE-2021-45844: freecad: Improper sanitization in the invocation of ODA File Converter from FreeCAD 0.19 allows an attacker to inject OS comma...

CVE-2021-45844 is fixed in freecad on 1 platform, first by DEBIAN-CVE-2021-45844, released January 25, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-45844
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0111
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 25, 2022

## Description

Improper sanitization in the invocation of ODA File Converter from FreeCAD 0.19 allows an attacker to inject OS commands via a crafted filename.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | freecad Debian 11.6 (bullseye) | 0.19.1+dfsg1-2+deb11u1 | [DSA-5229-1](https://patchblox.com/security/data/fix/linux/dsa-5229-1.md) | Sep 13, 2022 |
| Linux | freecad Debian 12.15 (bookworm) | 0.19.4+dfsg1-1 | [DEBIAN-CVE-2021-45844](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45844.md) | Jan 25, 2022 |
| Linux | freecad Debian 13.5 (trixie) | 0.19.4+dfsg1-1 | [DEBIAN-CVE-2021-45844](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45844.md) | Jan 25, 2022 |
| Linux | freecad Debian 14 | 0.19.4+dfsg1-1 | [DEBIAN-CVE-2021-45844](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45844.md) | Jan 25, 2022 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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