What’s Vulnerable › Vulnerabilities

CVE-2021-43272

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-14 · updated 2026-06-17
• Weakness: CWE-755

Description

An improper handling of exceptional conditions vulnerability exists in Open Design Alliance ODA Viewer sample before 2022.11. ODA Viewer continues to process invalid or malicious DWF files instead of stopping upon an exception. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected products

• Opendesign Oda Viewer: before 2022.11 — fixed in 2022.11

How to fix

Upgrade to a fixed version: Opendesign Oda Viewer 2022.11. Check the vendor advisory for mitigations.

References

• https://www.opendesign.com/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-21-1358/
• https://www.zerodayinitiative.com/advisories/ZDI-21-1360/
• https://www.zerodayinitiative.com/advisories/ZDI-21-1363/
• https://www.opendesign.com/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-21-1358/
• https://www.zerodayinitiative.com/advisories/ZDI-21-1360/
• https://www.zerodayinitiative.com/advisories/ZDI-21-1363/

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