CVE-2021-43272

Q: How do I fix CVE-2021-43272?

Upgrade oda viewer to 2022.11 or later.

Q: Is CVE-2021-43272 being actively exploited?

Not that we know of. CVE-2021-43272 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 88% of all scored CVEs.

Q: How severe is CVE-2021-43272?

CVE-2021-43272 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-43272 affect?

Published advisories record a fix for oda viewer (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 88th pctl

9.8

CVSS v3

NVD

Description

An improper handling of exceptional conditions vulnerability exists in Open Design Alliance ODA Viewer sample before 2022.11. ODA Viewer continues to process invalid or malicious DWF files instead of stopping upon an exception. An attacker can leverage this vulnerability to execute code in the context of the current process.

CWE-755

How to fix

Remediation Available

oda viewerNVD

Affected:< 2022.11Fixed in:2022.11CVE-2021-43272derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.52%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Vendor Advisory1

opendesign.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-755 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5638	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-7247	Critical	9.8	99%	KEV	Fix
CVE-2023-36933	High	7.5	72%	-	Fix
CVE-2018-0934	High	7.5	67%	-	Fix
CVE-2019-14287	High	8.8	64%	-	Fix
CVE-2019-12815	Critical	9.8	58%	-	Fix

Common questions

How do I fix CVE-2021-43272?

Upgrade oda viewer to 2022.11 or later.

Is CVE-2021-43272 being actively exploited?

Not that we know of. CVE-2021-43272 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 88% of all scored CVEs.

How severe is CVE-2021-43272?

CVE-2021-43272 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-43272 affect?

Published advisories record a fix for oda viewer (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.