Is CVE-2021-43278 actively exploited?

No active exploitation of CVE-2021-43278 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-43278 be exploited remotely?

No. CVE-2021-43278 requires local access to exploit.

What is the CVSS score of CVE-2021-43278?

CVE-2021-43278 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2021-43278

HIGH

CVE-2021-43278

CWE-125Published: November 14, 2021· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

An Out-of-bounds Read vulnerability exists in the OBJ file reading procedure in Open Design Alliance Drawings SDK before 2022.11. The lack of validating the input length can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

NVD Source

Technical Analysis

CVE-2021-43278 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.