CVE-2021-43272

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 3.5%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
88.0%
KEV
Not listed

Published

November 14, 2021

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated May 26, 2026
No patch confirmed yet.
generic

ZDI-21-1363 | Zero Day Initiative

https://www.zerodayinitiative.com/advisories/ZDI-21-1363/
generic

ZDI-21-1360 | Zero Day Initiative

https://www.zerodayinitiative.com/advisories/ZDI-21-1360/
generic

ZDI-21-1358 | Zero Day Initiative

https://www.zerodayinitiative.com/advisories/ZDI-21-1358/
generic

ODA Security Advisories | Open Design Alliance

https://www.opendesign.com/security-advisories

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:05 UTCEG score recompute
  3. 2026-07-22 22:51 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
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  24. 2026-07-09 19:07 UTCEPSS rescore
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  10. 2026-07-02 16:57 UTCEPSS rescore
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  22. 2026-06-24 14:03 UTCEPSS rescore
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  24. 2026-06-23 21:31 UTCEPSS rescore
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  26. 2026-06-22 14:24 UTCEPSS rescore
  27. 2026-06-21 01:58 UTCEPSS rescore
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  29. 2026-06-19 19:24 UTCEPSS rescore
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  31. 2026-06-18 17:51 UTCEPSS rescore
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  39. 2026-06-14 23:15 UTCEPSS rescore
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  41. 2026-06-13 22:58 UTCEPSS rescore
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  43. 2026-06-12 23:10 UTCEPSS rescore
  44. 2026-06-11 13:58 UTCEPSS rescore
  45. 2026-06-11 13:58 UTCEPSS rescore
  46. 2026-06-10 22:16 UTCEPSS rescore
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  48. 2026-06-10 13:20 UTCEPSS rescore
  49. 2026-06-08 14:15 UTCEPSS rescore
  50. 2026-06-08 14:15 UTCEPSS rescore
  51. 2026-06-07 15:23 UTCEPSS rescore
  52. 2026-06-07 15:23 UTCEPSS rescore
  53. 2026-06-05 22:45 UTCEPSS rescore
  54. 2026-06-05 06:09 UTCEPSS rescore
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  56. 2026-06-04 13:10 UTCEPSS rescore
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  58. 2026-06-02 20:11 UTCEPSS rescore
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  69. 2026-05-27 13:39 UTCEPSS rescore
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  71. 2026-05-26 13:42 UTCEPSS rescore
  72. 2026-05-26 13:42 UTCEPSS rescore
  73. 2026-05-26 07:34 UTCEG score recompute
  74. 2026-05-26 07:34 UTCGHSA enrichment
  75. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2021-43272?
CVE-2021-43272 is a critical vulnerability published on November 14, 2021. 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…
When was CVE-2021-43272 disclosed?
CVE-2021-43272 was first published in the National Vulnerability Database on November 14, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-43272 actively exploited?
CVE-2021-43272 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-43272?
CVE-2021-43272 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-43272?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43272, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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