Use After Free in Opendesign Drawings Sdk

CVE-2021-44047

A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-44047: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-44047?
CVE-2021-44047 is a high-severity vulnerability in Opendesign Drawings Sdk, classified under Use After Free. CVSS score: 7.8/10. Published 2021-12-05.
How severe is CVE-2021-44047?
High severity. CVSS v3 base score is 7.8 out of 10.