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CVE-2021-45844

26
FAUCET Score

CVE-2021-45844 is a high-severity vulnerability affecting FreeCAD 0.19 and Debian-based systems, stemming from improper sanitization when invoking the ODA File Converter. This flaw allows an unauthenticated attacker to inject arbitrary OS commands through a specially crafted filename, requiring user interaction to trigger. With a CVSS score of 7.8, successful exploitation could lead to full compromise of confidentiality, integrity, and availability on the affected system. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.19CPE matchmatch criteria
cpe:2.3:a:freecadweb:freecad:0.19:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 60th 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

Remediation records are not available for this CVE.

References

forum.freecadweb.org / viewtopic.php
ExploitIssue TrackingMitigationPatchVendor Advisory
lists.debian.org / debian-lts-announce/2022/03/msg00004.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/08/msg00008.html
Mailing ListThird Party Advisory
tracker.freecad.org / view.php
ExploitIssue TrackingPatchVendor Advisory
debian.org / security/2022/dsa-5229
Third Party Advisory