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CVE-2021-43280

26
FAUCET Score

CVE-2021-43280 is a stack-based buffer overflow vulnerability in the Open Design Alliance Drawings SDK before version 2022.8, specifically within its DWF file reading procedure. This high-severity vulnerability (CVSS 7.8) allows an attacker to execute arbitrary code by crafting malicious DWF files, exploiting the lack of proper input validation. While the potential impact is significant, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2022.8CPE matchmatch criteria
cpe:2.3:a:opendesign:drawings_software_development_kit:*:*:*:*:*:*:*:*

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
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 75th percentile among its peer group of 11,621 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

opendesign.com / security-advisories
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1340
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1341
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1342
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1343
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1345
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1355
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1356
Third Party AdvisoryVDB Entry