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CVE-2021-45845

26
FAUCET Score

CVE-2021-45845 is an OS command injection vulnerability in FreeCAD 0.19's Path Sanity Check script, affecting Debian Linux and FreeCAD installations. An attacker can exploit this by tricking a user into opening a specially crafted FCStd document, leading to arbitrary command execution. With a CVSS score of 7.8 (High), this vulnerability requires user interaction and local access, but can result in high impact to confidentiality, integrity, and availability. There is currently no public exploit code available, nor is it listed on the CISA KEV catalog, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.19CPE matchmatch criteria
cpe:2.3:a:freecadweb:freecad:0.19:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.93%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 76th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / FreeCAD/FreeCAD/pull/5306
PatchVendor Advisory
tracker.freecad.org / view.php
ExploitIssue TrackingPatchVendor Advisory
debian.org / security/2022/dsa-5229
Third Party Advisory