What’s Vulnerable › Vulnerabilities

CVE-2021-31784

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-26 · updated 2026-06-17
• Weakness: CWE-787

Description

An out-of-bounds write vulnerability exists in the file-reading procedure in Open Design Alliance Drawings SDK before 2021.6 on all supported by ODA platforms in static configuration. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart) or possible code execution.

Affected products

• Open Design Alliance ODA Drawings SDK - All Versions < 2024.12: before 2021.6 — fixed in 2021.6
• Siemens COMOS: before 10.4.1 — fixed in 10.4.1

How to fix

Upgrade to a fixed version: Open Design Alliance ODA Drawings SDK - All Versions < 2024.12 2021.6; Siemens COMOS 10.4.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
• https://www.opendesign.com/security-advisories
• https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
• https://www.opendesign.com/security-advisories

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