Is CVE-2021-44047 in the CISA KEV catalog?

No. CVE-2021-44047 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-44047?

CVE-2021-44047 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-44047?

CVE-2021-44047 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-44047?

Upgrade drawings sdk to 2022.11 or later.

CVE & CISA-KEV Catalog

CVE-2021-44047

HIGH

7.8

CVSS v3

NVD

Description

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.

CWE-416Use After Free

How to fix

Remediation Available

drawings sdkNVD

Affected:< 2022.11Fixed in:2022.11CVE-2021-44047derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1

opendesign.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.