How severe is CVE-2021-43582?

CVE-2021-43582 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-2021-43582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43582?

CVE-2021-43582 affects Opendesign Drawings Sdk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43582?

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-2021-43582 published?

CVE-2021-43582 was published on 2021-11-22 and last updated on 2026-06-17.

CVE-2021-43582

CVE-2021-43582 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Opendesign Drawings Sdk
Published: 2021-11-22
Last modified: 2026-06-17

Description

A Use-After-Free Remote Vulnerability exists when reading a DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DWG files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Frequently asked questions

What is CVE-2021-43582?: A Use-After-Free Remote Vulnerability exists when reading a DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DWG files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
How severe is CVE-2021-43582?: CVE-2021-43582 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-2021-43582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43582?: CVE-2021-43582 affects Opendesign Drawings Sdk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43582?: 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-2021-43582 published?: CVE-2021-43582 was published on 2021-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*

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