How severe is CVE-2021-31784?

CVE-2021-31784 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-31784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31784?

CVE-2021-31784 primarily affects Opendesign Drawings Sdk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-31784?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-31784 published?

CVE-2021-31784 was published on 2021-04-26 and last updated on 2026-06-17.

CVE-2021-31784

CVE-2021-31784 is a high-severity vulnerability in Opendesign Drawings Sdk with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Opendesign Drawings Sdk
Published: 2021-04-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-31784?: 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.
How severe is CVE-2021-31784?: CVE-2021-31784 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-31784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31784?: CVE-2021-31784 primarily affects Opendesign Drawings Sdk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-31784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-31784 published?: CVE-2021-31784 was published on 2021-04-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*

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