High
freecad — security advisory
The Path Sanity Check script of FreeCAD 0.19 is vulnerable to OS command injection, allowing an attacker to execute arbitrary commands via a crafted FCStd document.
- Products
- freecad
- Affected versions
- 0.19.1+dfsg1-2, 0.19.2+dfsg1-3, 0.19.2+dfsg1-3ubuntu1, 1.1.1+dfsg-3, 1.1.1+dfsg-3build1, 1.1.3+dfsg-3build1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-45845
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:35 UTC · Revision 1
Source evidence
The Path Sanity Check script of FreeCAD 0.19 is vulnerable to OS command injection, allowing an attacker to execute arbitrary commands via a crafted FCStd document.
osv:UBUNTU-CVE-2021-45845
freecad
Fixed versions: Not specified
freecad
Fixed versions: Not specified
Complete source record
{
"id": "15e66b5422446e700288401c076ecc7f4e9137a2851040ef8b01870952e3a19f",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-45845",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-45845",
"summary": "The Path Sanity Check script of FreeCAD 0.19 is vulnerable to OS command injection, allowing an attacker to execute arbitrary commands via a crafted FCStd document.",
"evidence": "osv:UBUNTU-CVE-2021-45845",
"products": [
{
"name": {
"value": "freecad",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.19.1+dfsg1-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.19.2+dfsg1-3",
"evidence": "/affected/0/versions"
},
{
"value": "0.19.2+dfsg1-3ubuntu1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "freecad",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+dfsg-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.1+dfsg-3build1",
"evidence": "/affected/1/versions"
},
{
"value": "1.1.3+dfsg-3build1",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2021-45845",
"aliases": [
"UBUNTU-CVE-2021-45845"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "freecad",
"purl": "pkg:deb/ubuntu/freecad?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.19.1+dfsg1-2",
"0.19.2+dfsg1-3",
"0.19.2+dfsg1-3ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45845.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freecad",
"binary_version": "0.19.2+dfsg1-3ubuntu1"
},
{
"binary_name": "freecad-common",
"binary_version": "0.19.2+dfsg1-3ubuntu1"
},
{
"binary_name": "freecad-python3",
"binary_version": "0.19.2+dfsg1-3ubuntu1"
},
{
"binary_name": "libfreecad-python3-0.19",
"binary_version": "0.19.2+dfsg1-3ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "freecad",
"purl": "pkg:deb/ubuntu/freecad?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.1.1+dfsg-3",
"1.1.1+dfsg-3build1",
"1.1.3+dfsg-3build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45845.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freecad",
"binary_version": "1.1.3+dfsg-3build1"
},
{
"binary_name": "freecad-common",
"binary_version": "1.1.3+dfsg-3build1"
},
{
"binary_name": "freecad-python3",
"binary_version": "1.1.3+dfsg-3build1"
},
{
"binary_name": "libfreecad-python3",
"binary_version": "1.1.3+dfsg-3build1"
}
]
}
}
],
"modified": "2026-10-17T12:55:48.163025198Z",
"provider": "osv",
"upstream": [
"CVE-2021-45845"
],
"references": [
"https://ubuntu.com/security/CVE-2021-45845",
"https://tracker.freecad.org/view.php?id=4810",
"https://github.com/FreeCAD/FreeCAD/pull/5306",
"https://www.cve.org/CVERecord?id=CVE-2021-45845"
]
},
"related_cves": [
{
"value": "CVE-2021-45845",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354110,
"published_at": "2022-01-25T13:15:00+00:00"
}