How severe is CVE-2021-32944?

CVE-2021-32944 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-2021-32944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32944?

CVE-2021-32944 primarily affects Opendesign Drawings Sdk. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-32944?

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-2021-32944 published?

CVE-2021-32944 was published on 2021-06-17 and last updated on 2026-06-17.

CVE-2021-32944

CVE-2021-32944 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Opendesign Drawings Sdk
Published: 2021-06-17
Last modified: 2026-06-17

Description

A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.

Frequently asked questions

What is CVE-2021-32944?: A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.
How severe is CVE-2021-32944?: CVE-2021-32944 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-2021-32944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32944?: CVE-2021-32944 primarily affects Opendesign Drawings Sdk. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-32944?: 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-2021-32944 published?: CVE-2021-32944 was published on 2021-06-17 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*

More vulnerabilities in Opendesign Drawings Sdk

CVE-2018-18224 — High (CVSS 8.1): A vulnerability exists in the file reading procedure in Open Design Alliance Drawings SDK 2019Update1 on non-Windows…
CVE-2018-18223 — High (CVSS 8.1): Open Design Alliance Drawings SDK 2019Update1 has a vulnerability during the reading of malformed files, allowing…
CVE-2023-5180 — High (CVSS 7.8): An issue was discovered in Open Design Alliance Drawings SDK before 2024.12. A corrupted value of number of sectors…
CVE-2023-5179 — High (CVSS 7.8): An issue was discovered in Open Design Alliance Drawings SDK before 2024.10. A corrupted value for the start of MiniFat…
CVE-2023-22670 — High (CVSS 7.8): A heap-based buffer overflow exists in the DXF file reading procedure in Open Design Alliance Drawings SDK before…
CVE-2023-22669 — High (CVSS 7.8): Parsing of DWG files in Open Design Alliance Drawings SDK before 2023.6 lacks proper validation of the length of…

All CVEs affecting Opendesign Drawings Sdk →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →